noun:each of the limbs on which a person or animal walks and stands
She broke her leg while skiing.
noun:a stage of a journey, process, or race
The final leg of the trip was a flight from London to Rome.
noun:one of the supports of a piece of furniture
The table has a wobbly leg that needs fixing.
noun:an electrical conductor that carries current from a power source to a component, often called a circuit leg
The faulty leg of the circuit caused the lights to flicker.