Revolutionary calendar - the calendar adopted by the first French Republic in 1793 and abandoned in 1805; dates were calculated from Sept. 22, 1792

Vendemiaire - first month of the Revolutionary calendar (September and October); the month of the grape harvest

Brumaire - second month of the Revolutionary calendar (October and November); the month of mist

Frimaire - third month of the Revolutionary calendar (November and December); the frosty month

Nivose - fourth month of the Revolutionary calendar (December and January); the snowy month

Pluviose - fifth month of the Revolutionary calendar (January and February); the rainy month

Ventose - sixth month of the Revolutionary calendar (February and March); the windy month

Germinal - seventh month of the Revolutionary calendar (March and April); the month of buds

Floreal - eighth month of the Revolutionary calendar (April and May); the month of flowers

Prairial - ninth month of the Revolutionary calendar (May and June); the month of meadows

Messidor - tenth month of the Revolutionary calendar (June and July); the month of harvest

Thermidor - eleventh month of the Revolutionary calendar (July and August); the month of heat

Fructidor - twelfth month of the Revolutionary calendar (August and September); the month of fruit

calendar month, month - one of the twelve divisions of the calendar year; "he paid the bill last month"