(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.
ovum (ō'vəm) Plural ova The mature reproductive cell of female animals, produced in the ovaries. See more at egg. |
sing. ovum
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.
in human physiology, single cell released from either of the female reproductive organs, the ovaries, which is capable of developing into a new organism when fertilized (united) with a sperm cell