/ Dictionary / Index R reign: Meaning and Definition of Find definitions for: reign Pronunciation: (rān), [key] —v.i. to possess or exercise sovereign power or authority. to hold the position and name of sovereign without exercising the ruling power. to have control, rule, or influence of any kind. to predominate; be prevalent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reign (Thesaurus) reify Reign of Terror Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language