- owned and operated.
- a combining form meaning “egg,” used in the formation of compound words: oogamous.
noun, plural o-os.
- any of several species of Hawaiian honey eaters of the genus Moho, especially the extinct M. nobilis, of the island of Hawaii, that had black plumage and two tufts of yellow plumes used to make ceremonial robes for the Hawaiian kings.
- egg or ovumoosperm
word-forming element meaning “egg, eggs,” from Greek oon “egg,” cognate with Latin ovum, Old Norse egg (see egg (n.)). pref.
- Egg; ovum:oogenesis.