/'aɪvərɪ; `aɪvərɪ/
n
1 [U] creamy-white bone-like substance forming the tusks of elephants, walruses, etc 象牙; （海象等的）长牙
*[attrib 作定语] an ivory statuette 象牙制的小雕像.
2 [C] object made of this 象牙制品
*a priceless collection of ivories 象牙的稀世珍品收藏.
3 [U] colour of ivory 象牙色的; 乳白色的
*[attrib 作定语] an ivory skin, complexion, etc 乳白色的皮肤、面色等
* ivory-coloured silk 乳白色的丝绸.
4 (idm 习语) an ,ivory `tower place or situation where people retreat from the unpleasant realities of everyday life and pretend that these do not exist 象牙塔（对日常生活中烦恼的现实视而不见者的退身之所或处境）
*live in an ivory tower 生活在象牙塔中
* [attrib 作定语] lead an,ivory-tower e`xistence 过象牙塔式的生活.

npluralivories
[Date: 1200-1300; Language: Old French;Origin: ivoire, from Latin ebor, from Egyptian ab 'elephant, ivory']
[U]
the hard smooth yellowish-white substance from the tusks (=long teeth) of an elephant
　an ivory chess set
[U]
a yellowish white colour
　an ivory silk wedding gown
[C often plural]
something made of ivory, especially a small figure of a person or animal
　a collection of Chinese ivories