B2 the flat part on a knife or similar tool or weapon, with a very thin edge used for cutting刀身；刀片；刀刃

a wide, flat part on a tool or machine, used to push back water or air（机器上推动水或空气的）桨叶，桨身

used in the names of other objects that are flat, thin, and sometimes long, like a blade（用于扁平细长的刀片形物体名称中）

a long, narrow leaf of grass or a similar plant（草等的）叶片

the metal part on the bottom of an ice skate（溜冰鞋的）冰刀

specialized sports a curved device that a person who has lost part of a leg can attach to their body where the leg was, in order to be able to walk or run, for example in a race 小腿假肢，小腿支架

old use an attractive and confident young man有吸引力、自信的年轻男子