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(Historical Terms) the month of the grape harvest: the first month of the French Revolutionary calendar, extending from Sept 23 to Oct 22
[C18: from French, from Latin vindēmia vintage, from vīnum wine + dēmere to take away]
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|Noun||1.||Vendemiaire - first month of the Revolutionary calendar (September and October); the month of the grape harvest|
Revolutionary calendar - the calendar adopted by the first French Republic in 1793 and abandoned in 1805; dates were calculated from Sept. 22, 1792
Revolutionary calendar month - a month in the Revolutionary calendar