• synonyms


[pach-uh-luh s]
See more synonyms for patulous on Thesaurus.com
  1. open; gaping; expanded.
  2. Botany.
    1. spreading, as a tree or its boughs.
    2. spreading slightly, as a calyx.
    3. bearing the flowers loose or dispersed, as a peduncle.
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Origin of patulous

First recorded in 1610–20, patulous is from the Latin word patulus standing wide-open. See patent, -ulous
Related formspat·u·lous·ly, adverbpat·u·lous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for patulous

accessible, wide, clear, free, susceptible, exposed, stripped, bare, rent, removed, unblocked, unlocked, patent, gaping, extended, agape, rolling, uncovered, emptied, unbarred

Examples from the Web for patulous

Historical Examples of patulous

  • Yet, by reason of the patulous elms, he had seen nothing of them.

    Through East Anglia in a Motor Car

    J. E. (James Edmund) Vincent

  • The patulous elms, then, exercised their influence on the manœuvres.

    Through East Anglia in a Motor Car

    J. E. (James Edmund) Vincent

  • The gland-ducts are enlarged, patulous or plugged with sebaceous and epithelial matter.

    Essentials of Diseases of the Skin

    Henry Weightman Stelwagon

British Dictionary definitions for patulous


  1. botany spreading widely or expandedpatulous branches
  2. rare gaping
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Derived Formspatulously, adverbpatulousness, noun

Word Origin for patulous

C17: from Latin patulus open, from patēre to lie open
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

patulous in Medicine


  1. Freely open or exposed; patent.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.