rowel

• 马刺末端的小齿轮或带刺轮盘，骑手用其驱策马匹。

A small spiked or toothed wheel attached to the end of a spur, used by a rider to urge a horse forward.

1. Spur wheelC2formal

   A small, revolving wheel with sharp points, attached to the end of a spur, used to urge a horse forward.

   马刺轮

   • The rider gently touched the horse's side with the rowel of his spur.
   • The antique spur had a beautifully crafted silver rowel.
   • He replaced the worn rowel on his riding spur.