The foot plural feet is an anatomical structure found in many vertebrates. It is the terminal portion of a limb which bears weight and allows locomotion. In many animals with feet, the foot is a separate organ at the terminal part of the leg made up of one or more segments or bones, generally including claws or nails.
Back to Health A to Z. Swelling in the ankles, feet or legs often goes away on its own. See a GP if it does not get better in a few days.