Any of several pieces of leather, rubber, iron, etc. fastened to the bottom of a shoe to preserve it and to prevent slipping.

(常用复数)鞋底的护底或防滑片。

A piece of wood, metal, etc. fixed to a usually wooden article, such as the seat of a chair, to prevent it from splitting.

钉于木件(如椅座)上以防止断裂的木条或金属条。

A piece of wood or iron used on ships to fasten ropes.

【航】系索扣；索耳。

A strip of wood nailed across a board to add strength, hold something in position, etc.

楔；栓。