Ovum

·noun One of the series of egg-shaped ornaments into which the ovolo is often carved.

II. Ovum ·noun A more or less spherical and transparent mass of granular protoplasm, which by a process of multiplication and growth develops into a mass of cells, constituting a new individual like the parent; an egg, spore, germ, or germ cell. ·see ·Illust. of Mycropyle.