Definition of knee

• n. - In man, the joint in the middle part of the leg.
• n. - The joint, or region of the joint, between the thigh and leg.
• n. - In the horse and allied animals, the carpal joint, corresponding to the wrist in man.
• n. - A piece of timber or metal formed with an angle somewhat in the shape of the human knee when bent.
• n. - A bending of the knee, as in respect or courtesy.
• v. t. - To supplicate by kneeling.