knee

In humans, the joint or the region of the joint in the middle part of the leg between the thigh and the shank.

“Penny was wearing a miniskirt, so she skinned her exposed knees when she fell.”

In the horse and allied animals, the carpal joint, corresponding to the wrist in humans.

The part of a garment that covers the knee.

A piece of timber or metal formed with an angle somewhat in the shape of the human knee when bent.

An act of kneeling, especially to show respect or courtesy.

“To make a knee.”

Any knee-shaped item or sharp angle in a line; an inflection point.

“the knee of a graph”

A blow made with the knee; a kneeing.

To kneel to.

“1605: I could as well be brought / To knee his throne and, squire-like, pension beg / To keep base life afoot. — William Shakespeare, King Lear II.ii”

To poke or strike with the knee.

To move on the knees; to use the knees to move.