/ Dictionary / Index R ream: Meaning and Definition of Find definitions for: ream Pronunciation: (rēm), [key] a standard quantity of paper, consisting of 20 quires or 500 sheets (formerly 480 sheets), or 516 sheetsor Usually,a large quantity: He has written reams of poetry. ream Pronunciation: (rēm), [key] — v.t. to enlarge to desired size (a previously bored hole) by means of a reamer. to clear with a reamer; remove or press out by reaming. to extract the juice from: to ream an orange. to scold or reprimand severely (usually fol. by out). to cheat; defraud. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ream (Thesaurus) real world reamer Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language