- reign of terror - any period of brutal suppression thought to resemble the Reign of Terror in France
--1 is a kind of reign
- Reign of Terror - the historic period (1793-94) during the French Revolution when thousands were executed; "the Reign of the Bourbons ended and the Reign of Terror began"
--2 is a kind of historic period, age
- Reign of Terror - the historic period (1793-94) during the French Revolution when thousands were executed; "the Reign of the Bourbons ended and the Reign of Terror began"