Definition: Any projection or division, especially one of a somewhat
rounded form
Definition: A rounded projection or division of a leaf.
Definition: A membranous flap on the sides of the toes of certain birds,
as the coot.
Definition: A round projecting part of an organ, as of the liver, lungs,
brain, etc. See Illust. of Brain.
Definition: The projecting part of a cam wheel or of a non-circular gear
wheel.
