[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.

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rugose

Historical Examples of rugose

British Dictionary definitions for rugose


rugous or rugate (ˈruːɡeɪt, -ɡɪt)

  1. wrinkledrugose leaves
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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.