/ Dictionary / Index T tycoon: Meaning and Definition of Find definitions for: ty•coon Pronunciation: (tī-kn'), [key] — n. a businessperson of great wealth and power; magnate. (often cap.) a title used with reference to the shogun of Japan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tycoon (Thesaurus) Tychonic system Tydeus Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language