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roof

Definitions

  • The fiddler on the hut roof, with the coyotes below
    The fiddler on the hut roof, with the coyotes below
  • WordNet 3.6
    • v roof provide a building with a roof; cover a building with a roof
    • n roof a protective covering that covers or forms the top of a building
    • n roof protective covering on top of a motor vehicle
    • n roof an upper limit on what is allowed "he put a ceiling on the number of women who worked for him","there was a roof on salaries","they established a cap for prices"
    • n roof the inner top surface of a covered area or hollow space "the roof of the cave was very high","I could see the roof of the bear's mouth"
    • ***

Additional illustrations & photos:

The roofs of Vaux The roofs of Vaux
Showing steep roof and turret of northern architecture Showing steep roof and turret of northern architecture
Showing internal columns employed to support the roof Showing internal columns employed to support the roof
Showing a high-roofed area, surrounded with arches supported on columns Showing a high-roofed area, surrounded with arches supported on columns
Showing small number of windows and statuary on roof Showing small number of windows and statuary on roof
View from the Roof of Dickens's House at Gad's Hill View from the Roof of Dickens's House at Gad's Hill
Kinds of roofing materials excavated include flat tiles (shown here), curved pantiles, slate, and shingles Kinds of roofing materials excavated include flat tiles (shown here), curved pantiles, slate, and shingles
Four brick kilns have been excavated. The one shown had five firing chambers. Roofing tiles were also made in the Jamestown brick kilns Four brick kilns have been excavated. The one shown had five firing chambers. Roofing tiles were also made in the...

Webster's Revised Unabridged Dictionary
  • Interesting fact: The fear of peanut butter sticking to the roof of the mouth is called Arachibutyrophobia
    • Roof That which resembles, or corresponds to, the covering or the ceiling of a house; as, the roof of a cavern; the roof of the mouth. "The flowery roof Showered roses, which the morn repaired."
    • Roof (Arch) The cover of any building, including the roofing (see Roofing) and all the materials and construction necessary to carry and maintain the same upon the walls or other uprights. In the case of a building with vaulted ceilings protected by an outer roof, some writers call the vault the roof, and the outer protection the roof mask. It is better, however, to consider the vault as the ceiling only, in cases where it has farther covering.
    • Roof (Mining) The surface or bed of rock immediately overlying a bed of coal or a flat vein.
    • Roof To cover with a roof. "I have not seen the remains of any Roman buildings that have not been roofed with vaults or arches."
    • Roof To inclose in a house; figuratively, to shelter. "Here had we now our country's honor roofed ."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: In Greece, the climate is so warm that many of the cinemas do not even have roofs
    • n roof The external upper covering of a house or other building. Roofs are distinguished by the materials of which they are mainly formed, as thatch, stone, wood, slate, tile, iron, etc., and by their form and mode of construction, in great variety, as shed, curb, hip, gable, pavilion, ogee, and flat roofs. The span of a roof is the width between the supports; the rise is the height of the ridge of the highest part above the level of the supports; the pitch is the slope or angle at which it is inclined. In carpentry, roof signifies the timber framework by which the roofing or covering materials of the building are supported. This consists in general of the principal rafters, the purlins, and the common rafters. The principal rafters, or principals, as they are commonly termed, are placed so as to span the building at intervals usually of 10 or 12 feet; the purlins lie horizontally upon these, and sustain the common rafters, which carry the covering of the roof. The accompanying figure shows one of the two varieties of principals which are in common use (the king-post principal), with the purlins and common rafters in position. (For a diagram of the second, the queen-post principal, see queen-post.) Each of these modes of framing constitutes a truss. Sometimes, when the width of the building is not great, common rafters are used alone to support the roof. They are in that case joined together in pairs, nailed where they meet at the top, and connected by means of a tie at the bottom. They are then termed couples, a pair forming a couple-close. See also cuts under hammer-beam, hip-roof, jerkin-head, M-roof, pendent, and pendentive.
    • n roof Anything which in form or position corresponds to or resembles the covering of a house, as the arch or top of a furnace or oven, the top of a carriage or coach or car, an arch or the interior of a vault, the ceiling of a room, etc.; hence, a canopy or the like.
    • n roof A house.
    • n roof The upper part of the mouth; the hard palate.
    • n roof Figuratively, the loftiest part.
    • n roof In geology, the overlying stratum.
    • n roof In mining, the top of any subterranean excavation: little used except in coal-mining.
    • n roof A roof but slightly inclined for the discharge of water. Roofs of this form are common in city buildings, especially in the United States, and are usually covered with sheet-metal.
    • roof To cover with a roof, in any sense of that word.
    • roof To inclose in a house; shelter.
    • roof To arch or form like a roof.
    • roof An obsolete preterit of rive.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: At 120 miles per hour, a Formula One car generates so much downforce that it can drive upside down on the roof of a tunnel
    • n Roof rōōf the top covering of a house or building: a vault or arch, or the inner side of it: a house or dwelling: the upper part of the palate: the loftiest part, the roof and crown of things: the top of a subterraneous excavation:
    • v.t Roof to cover with a roof: to shelter
    • n Roof rōōf (geol.) the overlying stratum
    • ***

Quotations

  • Confucius
    Confucius
    “Don't complain about the snow on your neighbor's roof when your own doorstep is unclean.”
  • James Russell Lowell
    James%20Russell%20Lowell
    “Compromise makes a good umbrella, but a poor roof; it is temporary expedient, often wise in party politics, almost sure to be unwise ;in statesmanship.”
  • Richard Bach
    Richard%20Bach
    “Rarely do members of the same family grow up under the same roof.”
  • Chao Chang
    Chao Chang
    “Passion holds up the bottom of the universe and genius paints up its roof.”
  • Proverb
    Proverb
    “Three things drive a man outdoors; smoke, a leaking roof and a scolding wife.”
  • John F. Kennedy
    John%20F.%20Kennedy
    “The time to repair the roof is when the sun is shinning.”

Idioms

Hit the roof - If you lose your temper and get very angry, you hit the roof.
***

Etymology

Webster's Revised Unabridged Dictionary
OE. rof, AS. hrf, top, roof; akin to D. roef, cabin, Icel. hrf, a shed under which ships are built or kept; cf. OS. hrst, roof, Goth. hrt,. Cf. Roost
Chambers's Twentieth Century Dictionary
A.S. hróf; Dut. roef.

Usage

In literature:

Then the Cat disappeared, and they heard the soft thud of his feet alighting on the roof.
"The Cat in Grandfather's House" by Carl Henry Grabo
Two howling brutes were digging and tearing at the hole in the roof.
"The Camp in the Snow" by William Murray Graydon
The water rose to within eight feet of the tunnel-roof.
"Chatterbox, 1906" by Various
They had been playing on Omnok's roof, and Little White Bear had fallen right through the window in the roof.
"Little White Fox and his Arctic Friends" by Roy J. Snell
The nave, too, is covered with a wooden roof, a kind of coved roof with tie-beams.
"Sketches of Travel in Normandy and Maine" by Edward A. Freeman
Stone staircases lead to the roof, where a glimpse of the whole enclosure is afforded.
"Travels in the Far East" by Ellen Mary Hayes Peck
I guess the reason Aunt Sallie wanted the firemen was because they have ladders to get somebody down off the roof.
"The Curlytops and Their Playmates" by Howard R. Garis
Still it was not certain that it was high enough for the roof of the toldo to clear it.
"Popular Adventure Tales" by Mayne Reid
At one side of the house a tremendous cluster of bamboo curved upward and over the roof.
"The Fire People" by Ray Cummings
These serve to light the space between the internal and external roofs.
"Bell's Cathedrals: The Cathedral Church of Ripon" by Cecil Walter Charles Hallett
The house was tarred, the small out-houses had each an inverted boat for a roof.
"The Sand-Hills of Jutland" by Hans Christian Andersen
Four tight walls and a stout roof was the best they could hope for.
"A Virginia Scout" by Hugh Pendexter
In eight days he had made his way through the roof, and attacked the wall.
"The True Story Book"
It yielded and a section of the roof gave way.
"The Johnstown Horror" by James Herbert Walker
The difficulty was frankly met by discarding the use of any openings but the doors and skylights cut in the roofs.
"A History of Art in Chaldæa & Assyria, v. 1" by Georges Perrot
And how glad you will be to sleep under your own roof to-night!
"The Beth Book" by Sarah Grand
The new roof is as nearly as possible framed to resemble the roof destroyed in the Great Fire.
"Old and New London" by Walter Thornbury
From this roof goes up a tier of stone steps to a second roof.
"Through Our Unknown Southwest" by Agnes C. Laut
What are we goin' to do for a roof?
"Si Klegg, Book 2 (of 6)" by John McElroy
The roof was of slates.
"Frances of the Ranges" by Amy Bell Marlowe
***

In poetry:

For o-er the roofs the young moon glows,
Pale gold amid the rising mist,
By the last gleam of sunset kissed
With fading hues of faintest rose.
"Songs Of The City" by Cicely Fox Smith
And touch with shade the bridal doors,
With tender gloom the roof, the wall;
And breaking let the splendour fall
To spangle all the happy shores
"In Memoriam A. H. H.: 131" by Alfred Lord Tennyson
And touch with shade the bridal doors,
With tender gloom the roof, the wall;
And breaking let the splendour fall
To spangle all the happy shores
"In Memoriam 131: O Living Will That Shalt Endure" by Alfred Lord Tennyson
How tranquil is this little mountain lake
It’s filled with water like a cup
Bamboo looks just like little houses
And trees above – a sea of roofs.
"Nature" by Nikolai Stepanovich Gumilev
Could I but climb a roof above my own,
And greet grave Autumn as he walks the earth
With secret signal that would make me known,
I should not feel my dearth.
"In The City" by Elizabeth Drew Barstow Stoddard
When, in his little temple, colder grown,
He saw its sides of green to yellow grow,
And mourn'd his little roof, around him blown,
Or toss'd in beauteous ruin on the snow;
"Verses On An Autumn Leaf" by Sir John Carr

In news:

Two years ago, Charleston funnyman Jason Groce started organizing and hosting a local stand-up comedy showcase at the Tin Roof in West Ashley and called it Little Caesar's Palace.
A namesake tree at Fir Grove Motor Court at 46th and Main streets crashed through a garage roof.
Trees toppled, roofs torn off, cars blown into ditches: 50 years later, witnesses still remember the gale with a shudder.
Live stream from the roof of the Brauntex Theatre courtesy of KGNB/KNBT radio via Ustream.
Vampire Weekend Mansford Roof s/t Check out their song about the uselessness of the oxford comma.
They were found on the roof of a two-story medical office building.
If the unemployment rate nationwide is through the roof, than the jobless rate of the construction sector is in the clouds.
Aspects of Efficient Roofing Insulation.
Cost-Efficient Roofing Insulation for the Right Thermal Rating.
Guidelines to comply with roofing codes and save money and energy.
Coulis (3625 Prytania St, 504-304-4265) also suffered roof damage from Isaac.
When natural disasters strike, people may lose the roofs over their heads and the blankets off their backs.
Kalorama detached home with roof deck.
Langer Roofing & Sheet Metal, Inc has installed many green roofs over the years.
Green roofs such as living roofs, which use vegetation to reduce potentially toxic runoff from storms.
***

In science:

Let (Y, Φ) be a suspension semi-flow defined over a topological ly mixing countable Markov shift (Σ, σ) with roof function τ of summable variations.
Parabolic suspension flows
Let us summarize this in the following Summary about the roof polynomial.
Galois theory on the line in nonzero characteristic
The icosahedral quasilattice lifted into higher-dimensional space forms a three-dimensional hypersurface, called “de-Bruijn-hypersurface” or “Weiringia roof ” .
Random tiling quasicrystals in three dimensions
As was first pointed out in, each configuration of the rhombus tiling can be obtained by pro jecting a roof-type surface in the cubic lattice to the diagonal hyperplane.
Random Tilings: Concepts and Examples
We also introduce the roof W (Γ) ⊂ L of a polymer Γ as: W (Γ) def= {(∆, hΓ (∆) + 1)|∆ ∈ D} and its sky S (Γ) def= L\(Γ ∪ W (Γ)).
Bosonic Monocluster Expansion
It is easy to check that Γi,g defined previously is indeed a polymer, for any i, 1 ≤ i ≤ p. A pair li, which is called a link of the graph g, is said of type cluster-roof or ΓW if (i) occurs, and of type roof-roof or W W if (ii) occurs (see Fig.1).
Bosonic Monocluster Expansion
Note that there are three cases. 1st case: lp is a roof-roof link.
Bosonic Monocluster Expansion
The reader may wonder whether there is some common theme uniting under the single roof all the identities we have met so far.
And free lunch for all...
Theorem 3 of was also intended to give a general formula for the tradeoff between the error exponents of the first and second kinds, but its p roof contains a gap, and the theorem does not apply to the general case where η(a) and ζ (a) may be discontinuous functions; see Example 3.6 of .
An Information-Spectrum Approach to Classical and Quantum Hypothesis Testing for Simple Hypotheses
The shaft will be capped with a shed made of light materials and with a removable roof.
Bringing the SciBar Detector to the Booster Neutrino Beam
Installation of the detectors will be done by a mobile crane—the detectors lowered through the roof onto the floor of the shaft.
Bringing the SciBar Detector to the Booster Neutrino Beam
The friction coefficient between the lead and the roof µ > tg ϕ.
Test problems in mechanics and special relativity
Let the point C at a distance x from the top edge remains fixed with respect to the roof during the expansion.
Test problems in mechanics and special relativity
Finally, clouds are measured hourly by the lidar stations, and infrared cameras on the roof of each FD building are used to record the cloud coverage in the FD field of view every five minutes .
A Study of the Effect of Molecular and Aerosol Conditions in the Atmosphere on Air Fluorescence Measurements at the Pierre Auger Observatory
Cloud coverage at the Pierre Auger Observatory is recorded by Raytheon 2000B infrared cloud cameras located on the roof of each FD building.
A Study of the Effect of Molecular and Aerosol Conditions in the Atmosphere on Air Fluorescence Measurements at the Pierre Auger Observatory
***