Definition of zooids
- zooids Noun Plural of zooid
- zooid Noun An organic body or cell having locomotion, as a spermatic cell or spermatozoid.
- zooid Noun An animal in one of its inferior or early stages of development, as one of the intermediate forms in alternate generation.
- zooid Noun 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."