/ Dictionary / Index T trader: Meaning and Definition of Find definitions for: trad•er Pronunciation: (trā'dur), [key] — n. a person who trades; a merchant or businessperson. a ship used in trade, esp. foreign trade. a member of a stock exchange trading privately and not on behalf of customers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trader (Thesaurus) trade paperback trade rat Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language