Definition of "Thermidor"
proper noun
plural Thermidors
A counterrevolution; a coup d'état resembling the Thermidorian Reaction.
Quotations
So the author, after seeking vainly between the editions of 1938 and 1965 a peg on which to hang his Thermidor, in the end gave up and labeled the Russian case "permanent revolution," without, however, explaining how this aberrant outcome of the Bolshevik fever came about.
2008, Martin Malia, Terence Emmons, History's Locomotives: Revolutions and the Making of the Modern World, Yale University Press, page 304