zooid

Definition from Wiktionary, a free dictionary

Jump to: navigation, search

Contents

[edit] English

[edit] Alternative spellings

[edit] Etymology

EB1911A-pict1.png This entry lacks etymological information. If you are familiar with the origin of this word, please add it to the page as described here.

[edit] Noun

Singular
zooid

Plural
zooids

zooid (plural zooids)

  1. (biology) An organic body or cell having locomotion, as a spermatic cell or spermatozooid.
  2. (zoology) An animal in one of its inferior or early stages of development, as one of the intermediate forms in alternate generation.
  3. (zoology) 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.