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. |
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