Definitions of leg:

noun: (nautical) the distance traveled by a sailing vessel on a single tack
noun: cloth covering consisting of the part of a garment that covers the leg
noun: one of the supports for a piece of furniture
noun: a human limb; commonly used to refer to a whole limb but technically only the part between the knee and ankle
noun: a structure in animals that is similar to a human leg and used for locomotion
noun: the limb of an animal used for food
noun: a section or portion of a journey or course
noun: a prosthesis that replaces a missing leg
noun: a part of a forked or branching shape