leg

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One of the limbs or appendages that an animal uses for locomotion or support.
• noun One of the lower or hind limbs in humans and other primates.
• noun The part of the limb between the knee and foot in vertebrates.
• noun The back part of the hindquarter of a meat animal.
• noun A supporting part resembling a leg in shape or function.
• noun One of the branches of a forked or jointed object.
• noun The part of a garment, especially of a pair of trousers, that covers the leg.
• noun Mathematics Either side of a right triangle that is not the hypotenuse.
• noun A stage of a journey or course, especially.
• noun Nautical The distance traveled by a sailing vessel on a single tack.
• noun The part of an air route or a flight pattern that is between two successive stops, positions, or changes in direction.
• noun One of several contests that must be successfully completed in order to determine the winner of a competition.
• noun Sports One stretch of a relay race.
• noun The narrow streams of swirled wine or spirits that run slowly down along the inside of a glass, often believed to indicate that the liquid is full-bodied.
• noun Slang The ability to last or sustain success, especially by appealing to an audience.
• intransitive verb To go on foot; walk or run. Often used with the indefinite it.
• idiom (a leg to stand on) A justifiable or logical basis for defense; support.
• idiom (a leg up) The act or an instance of assisting; a boost.
• idiom (a leg up) A position of advantage; an edge.
• idiom (on (one's) last legs) At the end of one's strength or resources; ready to collapse, fail, or die.

from The Century Dictionary.

• noun In telephony, a wire used for connecting a subscriber's line directly with the main switchboard.
• noun Same as water-leg.
• noun In machinery: The movable case which contains the bucket-belt or -conveyer of a grain-elevator.
• noun The tube in which the grain is lifted into an elevator.
• noun In mining, a peculiar form of quartz-reef, forming a nearly vertical prolongation of the saddle.
• noun A tongue-like portion of some geologic formation which projects from the main mass or intrudes others. The term is a local one used in England for such relationship in different drift deposits.
• noun A play in which ‘leg-business’ is a prominent feature.
• noun His position in the field.
• noun One of the two lower limbs of man, or any one of the limbs of an animal which support and move the body.
• noun Some object resembling a leg in use, position, or appearance: as, the legs of a table or chair; the legs of a pair of dividers; the legs of a triangle (the sides, as opposed to the base, especially the sides adjacent to a right angle); the leg of an angle, or of a hyperbola.
• noun Hence Something that serves for support, moral or physical.
• noun The part of a pair of trousers or drawers, or of a stocking, that covers the leg.
• noun In cricket:
• noun The part of the field that lies to the left of and behind the batsman as he faces the bowler: as, to strike a ball to leg.
• noun The fielder who occupies that part of the field known as leg. Also long-leg.
• noun A sharper: same as black-leg, 3.
• noun Naut.: The run made by a ship on one tack when beating to windward.
• noun One of two Small ropes spliced together, by which a buntline or leech-line is fastened to the foot or leech of a sail.
• An abbreviation of legato.
• noun An abbreviation of legislative or legislature; of legal; of legate; of the Latin legit, he reads; of legunt, they read.
• To pass on; walk or run nimbly: often with an indefinite it.
• To make a reverence.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb obsolete, Low, Low To bow.
• transitive verb Low To run.
• noun A limb or member of an animal used for supporting the body, and in running, climbing, and swimming; esp., that part of the limb between the knee and foot.
• noun That which resembles a leg in form or use; especially, any long and slender support on which any object rests
• noun The part of any article of clothing which covers the leg.
• noun obsolete A bow, esp. in the phrase to make a leg; probably from drawing the leg backward in bowing.
• noun Slang, Eng. A disreputable sporting character; a blackleg.