/ Dictionary / Index R ready reckoner: Meaning and Definition of Find definitions for: read'y reck'oner Pronunciation: [key] reckoner (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ready money ready room 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