Ooecium \O*oe"ci*um\, n.; pl. {Ooecia}. [NL., fr. Gr. w,'o`n an egg + ? a house.] (Zool.) One of the special zooids, or cells, of Bryozoa, destined to receive and develop ova; an ovicell. See {Bryozoa}. [1913 Webster]
Bryozoum \Bry`o*zo"um\, n. [NL. See {Bryozoa}.] (Zool.) An individual zooid of a bryozoan coralline, of which there may be two or more kinds in a single colony. The zo[oe]cia usually have a wreath of tentacles around the mouth, and a well developed stomach and intestinal canal; but these parts are lacking in the other zooids ({Avicularia}, {O[oe]cia}, etc.). [1913 Webster]