/ Dictionary / Index T trade paperback: Meaning and Definition of Find definitions for: trade' pa'perback Pronunciation: [key] a softbound book that is usually larger and more expensive than a mass market paperback and is sold primarily in bookstores as a trade book. Also called quality paperback. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trade paper trader Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language