Definition of "peduncle"

(botany) The axis of an inflorescence; the stalk supporting an inflorescence.  examples

(botany) A short stalk at the base of a leaf or reproductive structure.  quotations  examples

(anatomy) A bundle of neurons connecting different parts of the brain.  examples

(anatomy) In arthropods, the base segments of an antenna or stalk-like structures such as the peduncles of some barnacles  examples

(anatomy) In vertebrates, the base of any relatively massive anatomical member connected to the body by a narrower section. Cf. caudal peduncle of fishes.  examples

(anatomy) A stem attaching a mass of tissue (such as a polyp) to the body.  examples

(zoology) A collection of nerves in the appendage of an animal (such as the tip of a dolphin's tail).