pe·dun·cle (pĭ-dŭngkəl, pēdŭng′kəl)
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.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.