单词 | ruel-bone |
释义 | ruel-bone/ˈruːəlbəʊn/noun Ivory, probably from the tusk of a walrus or narwhal; = ruel; (also) a piece of ivory. Hence occasionally as adjective: made of this. Now archaic and literary.
OriginMiddle English; earliest use found in Gregorius. From ruel + bone. |
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