(plural ova), 1706, from Latin ovum "egg," cognate with Greek oon, Old Norse egg, Old English æg, all perhaps from PIE root *awi- (see egg (n.)).
ovum o·vum (ō'vəm)n. pl. o·va (ō'və) The female reproductive cell or gamete; egg.
The female sex cells, produced in the ovary and released during ovulation; the eggs. An ovum must normally be fertilized (see fertilization) to develop into a new living thing.