• synonyms


[roo-gohs, roo-gohs]
  1. having wrinkles; wrinkled; ridged.
  2. Botany. rough and wrinkled: applied to leaves in which the reticulate venation is very prominent beneath, with corresponding creases on the upper side.
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Origin of rugose

First recorded in 1695–1705, rugose is from the Latin word rūgōsus wrinkled. See ruga, -ose1
Related formsru·gose·ly, adverbru·gos·i·ty [roo-gos-i-tee] /ruˈgɒs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rugose

Historical Examples of rugose

  • Grain is free, rugose, and the pericarp is hyaline and loose.

    A Handbook of Some South Indian Grasses

    Rai Bahadur K. Ranga Achariyar

  • Specimens from Kansas referred here have the stipe pale, rugose, long, about twice the sporangium; habitat bark.

    The North American Slime-Moulds

    Thomas H. (Thomas Huston) MacBride

  • It has a rugose, tuberculated body of trapezoid form, the colors being brown and reddish, while the whole aspect is crab-like.

  • The surface had weathered to a whitish-gray, but still in tiny depressions its pristine dark color showed in rugose characters.

    The Riddle Of The Rocks

    Charles Egbert Craddock (AKA Mary Noailles Murfree)

  • In H. appendiculatum the pileus is rugose when dry, and sprinkled with atoms.

British Dictionary definitions for rugose


rugous or rugate (ˈruːɡeɪt, -ɡɪt)

  1. wrinkledrugose leaves
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Derived Formsrugosely, adverbrugosity (ruːˈɡɒsɪtɪ), noun

Word Origin for rugose

C18: from Latin rūgōsus, from rūga a wrinkle
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

rugose in Medicine


  1. Having many wrinkles or creases; ridged or wrinkled.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.