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thyrse

[thurs]
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noun Botany.
  1. a compact branching inflorescence, as of the lilac, in which the main axis is indeterminate and the lateral axes are determinate.
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Also thyrsus.

Origin of thyrse

1595–1605; < French < Latin thyrsus thyrsus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for thyrse

Historical Examples

  • Thyrse or Thyrsus, a compact and pyramidal panicle of cymes or cymules, 79.

    The Elements of Botany

    Asa Gray


British Dictionary definitions for thyrse

thyrse

thyrsus (ˈθɜːsəs)

noun plural thyrses or thyrsi (ˈθɜːsaɪ)
  1. botany a type of inflorescence, occurring in the lilac and grape, in which the main branch is racemose and the lateral branches cymose
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Derived Formsthyrsoid, adjective

Word Origin

C17: from French: thyrsus
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

thyrse in Science

thyrse

[thûrs]
  1. A dense inflorescence in which the side branches end in cymes, as in the lilac. Also called thyrsus See more at inflorescence.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.