/ Dictionary / Index R rugose: Meaning and Definition of Find definitions for: ru•gose Pronunciation: (r'gōs, r-gōs'), [key] — adj. having wrinkles; wrinkled; ridged. rough and wrinkled: applied to leaves in which the reticulate venation is very prominent beneath, with corresponding creases on the upper side. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rugose (Thesaurus) rugosa rose rugula Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language