Ō'vum, n.

n.; pl. ō'vā. [Lat., an egg, Gr. ὠόν,]

1. (Anat.) The body formed by the female, in which, after impregnation, the development of the fetus takes place.
2. (Arch.) An ornament in the shape of an egg, into which the ovolo is often carved. [See Illust. of Echinus.] Gwillt.