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peduncle

[pi-duhng-kuh l, pee-duhng-]
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noun
  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.
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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

branchtrunkshootstockaxispedunclepediclepedicelpetiole

Examples from the Web for peduncle

Historical Examples

  • Flowers greenish-yellow, axillary, solitary; peduncle not curved.

    The Medicinal Plants of the Philippines

    T. H. Pardo de Tavera

  • As the fruit ripens, the peduncle lengthens and bends downward.

    Field and Woodland Plants

    William S. Furneaux

  • Clusters small, compound; peduncle slender, of medium length.

  • Clusters of small or medium size; peduncle medium in length.

  • A peduncle on which a flower-cluster is raised is a Common peduncle.


British Dictionary definitions for peduncle

peduncle

noun
  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)
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Derived Formspeduncled or 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

Word Origin and History for peduncle

n.

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

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Online Etymology Dictionary, © 2010 Douglas Harper

peduncle in Medicine

peduncle

(pĭ-dŭngkəl, pēdŭng′kəl)
n.
  1. pedicle
  2. pedunculus
Related formspe•duncu•lar (pĭ-dŭngkyə-lər) adj.

peduncle in Science

peduncle

[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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.