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[pi-duhng-kuh l, pee-duhng-] /pɪˈdʌŋ kəl, ˈpi dʌŋ-/
  1. a flower stalk, supporting either a cluster or a solitary flower.
  2. the stalk bearing the fruiting body in fungi.
Zoology. a stalk or stem; a stalklike part or structure.
  1. a stalklike structure composed of white matter, connecting various regions of the brain.
  2. an attachment process, as in the brachiopods.
Origin of peduncle
1745-55; < New Latin pedunculus, equivalent to Latin ped-, stem of pēs foot + -unculus diminutive suffix, orig. of n-stems; cf. carbuncle, homunculus
Related forms
peduncled, peduncular
[pi-duhng-kyuh-ler] /pɪˈdʌŋ kyə lər/ (Show IPA),
interpeduncular, adjective
postpeduncular, adjective
prepeduncle, noun
subpeduncle, noun
subpeduncled, adjective
subpeduncular, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for peduncle


the stalk of a plant bearing an inflorescence or solitary flower
(anatomy) a stalklike structure, esp a large bundle of nerve fibres within the brain
(pathol) a slender process of tissue by which a polyp or tumour is attached to the body
(biology) another name for pedicel (sense 2)
Derived Forms
peduncled, peduncular (pɪˈdʌŋkjʊlə) adjective
Word Origin
C18: from New Latin pedunculus, from Latin pedīculus little foot; see pedicle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for peduncle

1753, from Modern Latin pedunculus "footstalk," diminutive of pes (genitive pedis) "foot" (see foot (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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peduncle in Medicine

peduncle pe·dun·cle (pĭ-dŭng'kəl, pē'dŭng'kəl)

  1. See pedicle.

  2. See pedunculus.

pe·dun'cu·lar (pĭ-dŭng'kyə-lər) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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peduncle in Science
  (pĭ-dŭng'kəl, pē'dŭng'kəl)   
  1. The stalk that attaches a single flower, flower cluster, or fruit to the stem. See more at flower.

  2. A stalk supporting an animal organ, such as the eyestalk of a lobster.

  3. A slender stalk by which the base of a nonsessile tumor is attached to normal tissue.

  4. Any of several stalklike connecting structures in the brain, composed either of white matter or of white and gray matter.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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