Ivory
WordNet
noun
(1) A shade of white the color of bleached bones
(2) A hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses
WiktionaryText
Etymology
From Anglo-Normand ivorie, from Old North French , from 'in or of ivory', form 'ivory', from 'elephant', from (âbu) 'elephant; ivory':