The third month of the French Republican calendar (1793–1805), originally running from November 21 to December 20.
- ‘Out went the old months - January to December - and in came Vendémiaire, Brumaire, Frimaire, Nivôse, Pluviôse, Ventôse, Germinal, Floréal, Prairial, Messidor, Thermidor and Fructidor.’
- ‘The Law of 14 Frimaire was not applicable, he argued, to a department like his, still in rebellion.’
- ‘The provision of the law of 4 Frimaire year 2, which makes obligatory the usage of the decimal division of day and of its parts, is suspended indefinitely.’
- ‘The autumn months were Vendémiaire, Brumaire, and Frimaire.’
French, from frimas hoarfrost.