rowel

英 ['raʊ(ə)l] 美 ['raʊəl]
  • vt. 将排脓条插入；用小齿轮刺马
  • n. （马刺上的）小齿轮；插环打脓
  • n. (Rowel)人名；(法)罗韦尔
rowel
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英文词源

rowel (n.)
"pointed wheel on a spur," mid-14c., from Old French roelle, roel (Modern French rouelle), "small wheel" (see roulette).