A rubber covering for the foot having a flat,flexible portion that widens as it extends forward from the toes,used in swimming and diving.

• 脚蹼，橡皮脚掌，一种戴在脚上用于游泳或潜水的橡皮覆盖物，其扁平、柔韧的部分从脚趾处向前伸展变宽。