Emily Dickinson Lexicon

I'VO-RY, n. [Fr. ivoire; It. avorio; L. ebur.]

The tusk of an elephant, a hard, solid substance, of a fine white color. This tooth is sometimes six or seven feet in length, hollow from the base to a certain highth, and filled with a compact medullary substance, seeming to contain a great number of glands. The ivory of Ceylon and Achem does not become yellow in wearing, and hence is preferred to that of Guinea. Encyc.