blade

Especially a leaf of grass or the broad portion of a leaf as distinct from the petiole.

A cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard.

Flat surface that rotates and pushes against air or water.

A broad flat body part (as of the shoulder or tongue).

A cut of beef from the shoulder blade.

A dashing young man.

“gay young blades bragged of their amorous adventures”

Something long and thin resembling a blade of grass.

“a blade of lint on his suit”

The flat part of a tool or weapon that (usually) has a cutting edge.

The part of the skate that slides on the ice.