Definitions
1.NounThe stalk supporting an inflorescence or a solitary flower/fruit.
2.NounA short stalk at the base of a reproductive structure of a non-flowering plant.
3.NounA bundle of neurons connecting different parts of the brain.
4.NounIn arthropods, the base segments of an antenna or stalk-like structures such as the peduncles of some barnacles.
5.NounIn vertebrates, the base of any relatively massive anatomical member connected to the body by a narrower section. Cf. caudal peduncle of fishes.
6.NounA stem attaching a mass of tissue (such as a polyp) to the body.
7.NounA collection of nerves in the appendage of an animal (such as the tip of a dolphin's tail).