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  • WordNet 3.6
    • n zooid one of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan
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Webster's Revised Unabridged Dictionary
    • Zooid (Zoöl) An animal in one of its inferior stages of development, as one of the intermediate forms in alternate generation.
    • Zooid (Biol) An organic body or cell having locomotion, as a spermatic cell or spermatozooid.
    • Zooid (Zoöl) One of the individual animals in a composite group, as of Anthozoa, Hydroidea, and Bryozoa; -- sometimes restricted to those individuals in which the mouth and digestive organs are not developed.
    • a Zooid (Biol) Pertaining to, or resembling, an animal.
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Century Dictionary and Cyclopedia
    • zooid Like an animal; of the nature of animals; having an animal character, form, aspect, or mode of existence, as an organism endowed with life and motion. See II.
    • n zooid In biology, something like an animal; that which is of the nature of an animal, yet is not an animal in an ordinary sense, and is not the whole of an animal in a strict sense; one of the “persons” or recognizably distinct entities which compose a zoön; that product of any organism, whether of animal, vegetable, or equivocal character, which is capable of spontaneous movements, and hence may have an existence more or less apart from or independent of the parent organism. The biological conception of a zoöid is a fundamental one, bordering upon an almost metaphysical definition of what may constitute individual identity or non-identity in a given case: the term covers a multitude of cases which seem at first sight to have little in common, and its use in ordinary zoölogy and botany is consequently various. The general sense of the word is subject to the following specifications:
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Chambers's Twentieth Century Dictionary
    • adj Zooid zō′oid having the nature of an animal, having organic life and motion
    • n Zooid a term applied to each of the individuals which make up a compound organism
    • ***


Webster's Revised Unabridged Dictionary
Zo,ö- + -oid,


In literature:

Mr. Busk, however, does not know of any gradations now existing between a zooid and an avicularium.
"On the Origin of Species" by Charles Darwin
There are but few zooids (3 to 4).
"Marine Protozoa from Woods Hole" by Gary N. Calkins
Ultimately, a chain of sexual zooids is thus formed.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7" by Various
Every Alcyonarian colony is developed by budding from a single parent zooid.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2" by Various
A single zooid of the same.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4" by Various
From this bud is developed the first zooid and first serial theca of the colony.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3" by Various
Zoologists call them "Zooids" (animal-like parts) or "persons.
"Stories of the Universe: Animal Life" by B. Lindsay
These pear-shaped bodies are the feeding structures, each being a modified polyp-zooid.
"Elementary Zoology, Second Edition" by Vernon L. Kellogg

In news:

Henry Threadgill Zooid Tomorrow Sunny/The Revelry, SPP Pi Recordings.
While the previous two Zooid albums, This Brings Us To, Vol 1 and Vol 2, provided a revealing portrait of Henry Threadgill as a composer and bandleader, one aspect of the AACM veteran seemed to be lacking: Threadgill the soloist.