rowel
rowel[ˈraʊ(ə)l]noun- a spiked revolving disc at the end of a spur
(踢马刺末端的)齿轮,靴刺轮
(rowelled, rowelling; 美 roweled, roweling)- [with obj.]use a rowel to urge on (a horse)
用靴刺轮刺促(马)
he rowelled his horse on as fast as he could.
他尽可能快地用靴刺轮刺促马。
语源- Middle English: from Old French roel(e), from late Latin rotella, diminutive of Latin rota 'wheel'
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