/ Dictionary / Index R Reign of Terror: Meaning and Definition of Find definitions for: Reign' of Ter'ror Pronunciation: [key] a period of the French Revolution, from about March, 1793, to July, 1794, during which many persons were ruthlessly executed by the ruling faction. (l.c.) any period or situation of ruthless administration or oppression. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reign Reik 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