Definition of: ivory

(ī′vər·ē) noun plural ·ries
1. The hard, creamy–white, fine–grained, opaque dentine that constitutes the greater part of the tusks of certain animals, as the elephant, walrus, etc. ♦ Collateral adjective: eburnean.
2. Any form of dentine.
3. Some ivorylike substance.
4. plural Things made of, consisting of, or similar to ivory; especially, in slang use, the teeth, billiard balls, dice, keys of a piano.
5. The ivory nut.
6. The color of ivory.
—adjective Made of or resembling ivory. [<OF ivurie <L eboreus of ivory <ebur ivory]