Definitions for: Zooid


[n] one of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan



Webster (1913) Definition: Zo"oid, a. [Zo["o]- + -oid.] (Biol.)
Pertaining to, or resembling, an animal.


Zo"oid, n.
1. (Biol.) An organic body or cell having locomotion, as a
spermatic cell or spermatozooid.

2. (Zo["o]l.)
(a) An animal in one of its inferior stages of
development, as one of the intermediate forms in
alternate generation.
(b) 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.

See Also: being, organism

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