·noun The stem or stalk that supports the flower or fruit of a plant, or a cluster of flowers or fruits.
II. Peduncle ·noun A sort of stem by which certain shells and barnacles are attached to other objects. ·see ·Illust. of Barnacle.
III. Peduncle ·noun A band of nervous or fibrous matter connecting different parts of the brain; as, the peduncles of the cerebellum; the peduncles of the pineal gland.