[pi-duhng-kuh l, pee-duhng-]
  1. Botany.
    1. a flower stalk, supporting either a cluster or a solitary flower.
    2. the stalk bearing the fruiting body in fungi.
  2. Zoology. a stalk or stem; a stalklike part or structure.
  3. Anatomy.
    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 formspe·dun·cled, pe·dun·cu·lar [pi-duhng-kyuh-ler] /pɪˈdʌŋ kyə lər/, adjectivein·ter·pe·dun·cu·lar, adjectivepost·pe·dun·cu·lar, adjectivepre·pe·dun·cle, nounsub·pe·dun·cle, nounsub·pe·dun·cled, adjectivesub·pe·dun·cu·lar, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for peduncular


  1. the stalk of a plant bearing an inflorescence or solitary flower
  2. anatomy a stalklike structure, esp a large bundle of nerve fibres within the brain
  3. pathol a slender process of tissue by which a polyp or tumour is attached to the body
  4. biology another name for pedicel (def. 2)
Derived Formspeduncled or peduncular (pɪˈdʌŋkjʊlə), adjective

Word Origin for peduncle

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

Word Origin and History for peduncular



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

Online Etymology Dictionary, © 2010 Douglas Harper

peduncular in Medicine


[pĭ-dŭngkəl, pēdŭng′kəl]
  1. pedicle
  2. pedunculus
Related formspe•duncu•lar (pĭ-dŭngkyə-lər) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

peduncular in Science


[pĭ-dŭngkəl, pēdŭng′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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.