- 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往前跑。
词源
Middle English: from Old French roel（e）, from late Latin rotella, diminutive of Latin rota 'wheel'.