Source : Webster's Revised Unabridged Dictionary (1913)

Ooecium \O*[oe]"ci*um\, n.; pl. {O[oe]cia}. [NL., fr. Gr. w,'o`n
   an egg + ? a house.] (Zo["o]l.)
   One of the special zooids, or cells, of Bryozoa, destined to
   receive and develop ova; an ovicell. See {Bryozoa}.