a hard creamy-white substance composing the main part of the tusks of an elephant, walrus, or narwhal, often (especially formerly) used to make ornaments and other articles 象牙 ■[count noun]an object made of ivory 象牙制品 ■(the ivories)(informal)the keys of a piano (非正式)钢琴琴键 Derek tinkled the ivories for us. 德里克为我们弹奏了钢琴。 ■(ivories)(informal)a person's teeth (非正式)(人的)牙齿
a creamy-white colour 象牙色,乳白色
派生 ivoried adjective 语源
Middle English: from Anglo-Norman French ivurie, based on Latin ebur