/ Dictionary / Index R Rwy.: Meaning and Definition of Find definitions for: Rwy. Pronunciation: [key] Railway. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rwandese Rx Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language