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  • WordNet 3.6
    • v checker variegate with different colors, shades, or patterns
    • v checker mark into squares or draw squares on; draw crossed lines on
    • n checker one of the flat round pieces used in playing the game of checkers
    • n checker one who checks the correctness of something
    • n checker an attendant who checks coats or baggage
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Six checker cabs are still in use in NYC.
    • Checker A pattern in checks; a single check.
    • Checker A piece in the game of draughts or checkers.
    • Checker Checkerwork.
    • n Checker chĕk"ẽr One who checks.
    • Checker To mark with small squares like a checkerboard, as by crossing stripes of different colors.
    • Checker To variegate or diversify with different qualities, colors, scenes, or events; esp., to subject to frequent alternations of prosperity and adversity. "Our minds are, as it were, checkered with truth and falsehood."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The color black moves first in checkers.
    • n checker A checker-board; a chess-board. See checker-board.
    • n checker The game of chess.
    • n checker plural A game played with twenty-four pieces or men on a board divided into sixty-four checks or squares. Each of the two players is provided with twelve pieces, which are placed on alternate squares on the first three rows on one of two opposite sides of the board. The men are moved forward diagonally to the right or left one square at a time, or over an opposing piece if there is an empty space beyond it on the same diagonal; in the latter case the man thus “jumped” is “taken”—that is, removed from the board. Two or more pieces can be taken at once if similarly exposed, with one intervening empty square between each pair into which the adversary can “jump.” The object of each player is to capture all his opponent's men, or to hem them in so that they cannot move. When a player succeeds in moving a piece to the further end of the board (the crown-head or king-row), that piece is crowned or becomes a “king,” and has the power to move or capture diagonally backward or forward. In Polish checkers there are one hundred squares on the board, and forty counters; the men can move in taking either backward or forward, and kings can move the whole length of the board on the diagonals when no pieces intervene. Also called draughts.
    • n checker A piece or man in the game of checkers.
    • n checker A treasury; a court or bureau of revenue; an exchequer (which see).
    • n checker A check-roll or list.
    • n checker One of the squares of a checkered pattern; the pattern itself.
    • n checker One of a number of spots giving to a surface a checkered appearance.
    • n checker plural In architecture, stones in the facings of walls which have all their joints continued in straight lines without interruption or breaking of joints, thus presenting the appearance of checker-work.
    • n checker An inn the sign-board of which was marked with checkers, probably to announce that draughts and backgammon were played within. Several houses marked with signs of this kind have been exhumed in Pompeii.
    • checker To mark or decorate with squares of alternate color, like a checker-board; mark with different colors.
    • checker Figuratively, to variegate with different qualities, scenes, or events; diversify; impart variety to; give a character of both good and evil or happiness and unhappiness to.
    • n checker One who checks, in any sense of the word.
    • n checker One of many spots or markings, somewhat triangular in shape, on the wings of a pigeon. A checker is larger than a spangle. The term is generally used in combination, as blue-checker, red-checker, etc., the qualifying word referring to the general color of the bird and not to that of the spots, which are usually white. Also often check.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The International Checkers Hall Of Fame is in Petal.
    • Checker one who hinders or rebukes
    • Checker a chess-board: alternation of colours, as on a chess-board:
    • Checker (pl.) draughts: chess-men
    • ***


  • Robert Louis Stevenson
    “Marriage is one long conversation, checkered by disputes.”
  • Henry David Thoreau
    “All voting is a sort of gaming, like checkers or backgammon, with a slight moral tinge to it, a playing with right and wrong.”


Webster's Revised Unabridged Dictionary
From OF. eschequier, a chessboard, F. échiquier,. See Check (n.), and cf. 3d Checker
Chambers's Twentieth Century Dictionary
See Check.


In literature:

They were seated in Robie's grocery, behind the rusty old cannon stove, the checker-board spread out on their knees.
"The Arena" by Various
While it was still early, Bob Checkers arose, dressed himself, and slipped over to the sleeping boy's side.
"From Farm to Fortune" by Horatio Alger Jr.
Tessellated: checkered; more or less like a chess-board.
"Explanation of Terms Used in Entomology" by John. B. Smith
Rectangular blocks make a checker-board of the town map.
"Over the Rocky Mountains to Alaska" by Charles Warren Stoddard
The Milk Snake or "Checkered Adder" is popularly supposed to be fond of milk.
"Pathfinder" by Alan Douglas
As was usual with the youth, he was loudly dressed, wearing a light checkered suit with a cap to match and a flaming red tie.
"The Rover Boys Under Canvas" by Arthur M. Winfield
I'd ruther use white table-cloths myself, but Nell always used the checkered.
"The Best Short Stories of 1919" by Various
He was walking down the corridor toward the checker's office when a hand clapped him on the shoulder.
"Anchorite" by Randall Garrett
The next day he was promoted to checker-off.
"Little Journeys to the Homes of the Great, Volume 11 (of 14)" by Elbert Hubbard
Very hot water is a prompt checker of bleeding, besides, if it is clean, as it should be, it aids in sterilizing our wound.
"Searchlights on Health: Light on Dark Corners" by B.G. Jefferis
Traveling salesmen, with checkered vests, gauge women as Herbert Spencer never could.
"Little Journeys to the Homes of the Great Philosophers, Volume 8" by Elbert Hubbard
Wheat, Major, his turbulent battalion, 25; his checkered career, 26.
"Destruction and Reconstruction:" by Richard Taylor
She began to teach her to read and to play checkers.
"A Little Girl in Old Quebec" by Amanda Millie Douglas
The boys were thirteen and eleven, and were playing checkers on the large dining-table.
"A Little Girl in Old New York" by Amanda Millie Douglas
The naval warfare was proceeding like a game of checkers.
"The Story of the Great War, Volume V (of 12)"
They had a cask of beer and a checker board to make the time pass more rapidly.
"Peter the Priest" by Mór Jókai
I bet they could almost make that ship of theirs play checkers!
"The Aliens" by Murray Leinster
His temper was bold and haughty, and to me was often checkered with what I felt to be capricious tyranny.
"Memoirs of the Life of Sir Walter Scott, Volume I (of 10)" by John Gibson Lockhart
The fields lay before them checkered off into squares by the irrigation ditches, level as a table.
"The Desert Fiddler" by William H. Hamby
A game much used by seamen, especially in the tops, where usually a checker-board will be found carved.
"The Sailor's Word-Book" by William Henry Smyth

In poetry:

And how our beings joined as one
Had passed through checkered shade and sun,
Until the earth our lives had given,
With little change, to heaven.
"Too Late" by John Hay
How great the task to guard thee here,
Where wind is rough and frost is keen,
And all the ground with doubt and fear
Is checkered, birth and death between!
"Afternoon At A Parsonage" by Jean Ingelow
See! it teaches yonder roving planets
Round the sun to fly in endless race;
And as children play around their mother,
Checkered circles round the orb to trace.
"Fantasie -- To Laura" by Friedrich von Schiller
Behold! from the night-checkered edge of the woodland
A wall of red shields crowdeth into the land,
Their rims shooting horror and bloody confusion,
Their fields spreading darkness on every hand.
"Pro Patria: America, 1861" by Adah Isaacs Menken
From the sky the sun benignant
Looked upon them through the branches,
Saying to them, "O my children,
Love is sunshine, hate is shadow,
Life is checkered shade and sunshine,
Rule by love, O Hiawatha!"
"The Song of Hiawatha X: Hiawatha's Wooing" by Henry Wadsworth Longfellow
Back and forth in the checkered shade
Traced by the lattice that holds the vine,
With the glory of snow-capped crests displayed
On the sapphire sky in a billowy line,
I stroll, and ask what can compare
With the charm of my Promenade Solitaire.
"My "Promenade Solitaire"" by John Lawson Stoddard

In news:

Dixon topped Will Power by three-and-one-half sec­onds to take the check­ered flag.
Firm led by man with a checkered past.
Team Associated's Kyle Leduc Takes The Checkered Flag For Six Out Of Six Races.
Cain aide featured in ad has checkered past.
Cain's Cigarette-Puffing Aide Has Checkered Past.
Tonganoxie's Purple Heart Veterans Foundation founder and brother have checkered pasts.
The Baltimore Grand Prix's Checkered Flag Girls.
As roving ambassadors for Labor Day weekend's Baltimore Grand Prix, the Checkered Flag Girls will be appearing throughout the area in the weeks leading up to the event.
Hall And McCarl Take 1st Checkered Flags At Knoxville.
Peer into Jason Sudeikis' checkered present.
Ted Williams' Checkered Past Begins to Emerge.
Final checkered flag at Fairgrounds Speedway on Sunday.
Kathryn Erbe as Pat Nixon and Anthony LaPaglia as Richard Nixon in " Checkers ".
' Checkers ' review: Nixon bio a little too tricky.

In science:

Section 3 presents an architecture of a logic-based LSC consistency checker.
L2C2: Logic-based LSC Consistency Checking
It is basically an ioco checker for action systems and performs an explicit forward search of the state spaces. ioco is the input-output conformance relation by Tretmans .
Towards Symbolic Model-Based Mutation Testing: Combining Reachability and Refinement Checking
Table 1 gives information about the execution times of our refinement checker prototype for the remaining 195 mutations.
Towards Symbolic Model-Based Mutation Testing: Combining Reachability and Refinement Checking
To have at least a weak reference point for our performance, we have also utilized our explicit ioco checker Ulysses [3, 11] to generate tests for the CAS.
Towards Symbolic Model-Based Mutation Testing: Combining Reachability and Refinement Checking
The explicit conformance checker that we also applied on two model versions was faster (1 to 11/2 minutes) for the smallest model, but already the next larger model caused an execution time of about 8 hours.
Towards Symbolic Model-Based Mutation Testing: Combining Reachability and Refinement Checking
Later on, model checkers were available to check temporal formulae expressing equivalence between original and mutated models.
Towards Symbolic Model-Based Mutation Testing: Combining Reachability and Refinement Checking
The first use of an ioco checker for mutation testing was on LOTOS specifications .
Towards Symbolic Model-Based Mutation Testing: Combining Reachability and Refinement Checking
The corresponding FDR model checker/refinement checker has been used in to set up a whole testing theory in terms of CSP.
Towards Symbolic Model-Based Mutation Testing: Combining Reachability and Refinement Checking
We use the model checker Kojak (a loose homophone of “codecheck”) which is based on Ultimate .
Black-Box Verification for GUI Applications
If the formula is unsatisfiable the model checker obtains Craig interpolants for each node on the spurious counterexample and splits each node by partitioning its state space.
Black-Box Verification for GUI Applications
Result types of the model checker Kojak and the according returned information to the Replayer.
Black-Box Verification for GUI Applications
Calvagna et al. explain how to deal with constraints in CIT by encoding them in first order logic, offer various reductions algorithms to simplify them and use a model checker to solve them.
Bypassing the Combinatorial Explosion: Using Similarity to Generate and Prioritize T-wise Test Suites for Large Software Product Lines
The authors used CBMC, a Bounded Model Checker for ANSI-C and C++ programs, for the generation of test vectors.
CTGEN - a Unit Test Generator for C
PathFinder is a symbolic execution framework, that uses a model checker to generate and explore different execution paths.
CTGEN - a Unit Test Generator for C
The constraint checker keeps track of the number of each End-Level functions calls and checks (# t pl get proc < # t pl put new proc) && (# t pl get proc < # t pl sched ul e f rom running).
Property-based Code Slicing for Efficient Verification of OSEK/VDX Operating Systems