/ Dictionary / Index F five hundred rummy: Meaning and Definition of Find definitions for: five' hun"dred rum'my Pronunciation: [key] — Cards. Cards. a variety of rummy in which the winner is the first player to score 500 points. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. five hundred five-legged Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language