zooid

Etymology
From.

Noun

 * 1)  An organic body or cell having locomotion, as a spermatic cell or spermatozoid.
 * 2)  An animal in one of its inferior or early stages of development, as one of the intermediate forms in alternate generation.
 * 3)  One of the individual animals in a composite group, as of Anthozoa,, and ; — sometimes restricted to those individuals in which the mouth and digestive organs are not developed.

Derived terms

 * macrozooid
 * microzooid
 * microzooid

Adjective

 * 1)  Relating to, or resembling, an animal.