/ Dictionary / Index R ribbon window: Meaning and Definition of Find definitions for: rib'bon win"dow Pronunciation: [key] a long window made up of a number of individual compartments set together horizontally with little or no division. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ribbon strip ribbon worm Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language