/ Dictionary / Index R royal flush: Meaning and Definition of Find definitions for: roy'al flush' Pronunciation: [key] — Poker. Poker. the five highest cards of a suit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. royal fizz Royal Greenwich Observatory Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language