1) Member of a colonial organism 
In botany, a zoid or zoïd d is a reproductive cell that possesses one or more flagella, and is capable of independent movement. Zoid can refer to either an asexually reproductive spore or a sexually reproductive gamete. In sexually reproductive gametes, zoids can be either male or female depending on the species. For example, some brown alga (Pha...
Member of a colonial organism.
Zoid is slang for a clumsy, foolish person.