pe·dun·cle 
(pĭ-dŭngkəl, pēdŭng′kəl)
(pĭ-dŭngkəl, pēdŭng′kəl)n.
1. Botany The stalk of an inflorescence or a stalk bearing a solitary flower in a one-flowered inflorescence.
2. Zoology A stalklike structure in invertebrate animals, usually serving as an attachment for a larger part or structure.
3. Anatomy A stalklike bundle of nerve fibers connecting different parts of the brain.
4. Medicine The stalklike base to which a polyp or tumor is attached.
[New Latin pedunculus, diminutive of Latin pēs, ped-, foot; see ped- in the Appendix of Indo-European roots.]
pe·duncu·lar (pĭ-dŭngkyə-lər) adj.