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Definition of "peduncle" []

  • Botany The stalk of an inflorescence or a stalk bearing a solitary flower in a one-flowered inflorescence. (noun)
  • Zoology A stalklike structure in invertebrate animals, usually serving as an attachment for a larger part or structure. (noun)
  • Anatomy A stalklike bundle of nerve fibers connecting different parts of the brain. (noun)
  • Medicine The stalklike base to which a polyp or tumor is attached. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "peduncle" in a sentence
  • "a leaf very near its base; peduncle is short; branches of the panicle, filiform, angular, flexuous, bearing one or more spikelets and produced as a bristle beyond the last spikelet."
  • "Some of its axons pass backward to the abducent nucleus, this bundle is known as the peduncle of the superior olivary nucleus."
  • "The widely-cleft, shell-less test is supported upon a thick peduncle, which is immersed in the skin of the"