ruel-bone

名词 n.
中文释义

英文释义

名词 n.
  1. A piece of ivory, generally from a marine mammal. archaic,literary
    — RUEL-BONE Is mentioned by Chaucer, and in the following passage, as the material of a saddle. It is not, of course, to be thence supposed that ruel-bone was commonly or even actually used for that purpose,[…]

词形变化

ruel-bones plural

词源

Learned borrowing from Middle English rewell bon, ruel bon (“walrus ivory”), from Old French roal, rohal (“walrus ivory”), ultimately from Old Norse hrosshvalr (“walrus”).
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