whirl-bone

名词 n.
中文释义

英文释义

名词 n.
  1. The patella, rotula, or kneecap. archaic
  2. The head of the femur. archaic

词形变化

whirl-bones plural whirlbone alternative whirl bone alternative whirly-bone alternative

词源

From Middle English whirlebon, whyrlebone, whorlbane (“hip or hip joint; the thighbone, femur; the rounded head of the femur; the kneecap, patella; a vertebra; ankle”), perhaps an alteration of Old English hweorfbān (“a joint, kneecap, vertebra”), equivalent to whirl + bone. Cognate with Scots whorlebone, whorle-bane (“hip bone, joint, vertebra”), German Wirbelbein (“vertebra”).
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