ivory

1. (uncountable) The hard white form of dentin which forms the tusks of elephants, walruses and other animals.Examples: "“Leave the ivory!” he cried. “Leave the ivory! Dead men have no use for ivory!” Some of the Manyuema started to lay down their loads, but this was altogether too much for the avaricious Arabs."uncountable

2. (collective, singular or in plural) The teeth.collectivecountablepluralsingularuncountable

3. (collective, singular or in plural) The keys of a piano; or, the white keys, as opposed to the black keys (ebonies).Examples: "to tickle the ivories"; "Tony had gone into the storage room and gotten two more standing lamps, one placed near the ebonies and ivories."collectivecountablepluralsingularuncountable

4. (slang, ethnic slur) A white person.Synonyms: ang moh, Angrez, balanda, béké, bule, Caucasian, cracker, cumskincountableethnicslangsluruncountable

5. (informal) A die (object bearing numbers, thrown in games of chance).Examples: "c. 1846, Alexandre Dumas (translated by William Barrow), The Three Musketeers The triumphant Englishman did not give himself the trouble even to shake the dice; and, so sure was he of winning, that he threw the ivory on the table without looking."countableinformaluncountable