pe·dun·cle (p?-d?ng?k?l, p??d?ng?k?l)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 p?s, ped-, foot; see ped- in Indo-European roots.]pe·dun?cu·lar (p?-d?ng?ky?-l?r) adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.peduncle (p??d??k?l) n1. (Botany) the stalk of a plant bearing an inflorescence or solitary flower2. (Anatomy) anatomy a stalklike structure, esp a large bundle of nerve fibres within the brain3. (Pathology) pathol a slender process of tissue by which a polyp or tumour is attached to the body4. (Biology) biology another name for pedicel2[C18: from New Latin pedunculus, from Latin ped?culus little foot; see pedicle] pe?duncled, peduncular adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014pe?dun?cle (p??d?? k?l, ?pi d??-) n. 1. the stalk that supports a flower or flower cluster. 2. the stem bearing a mushroom cap. 3. any stalklike process serving as a support. 4. a band of nervous tissue connecting different parts of the brain. [1745?55;