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n. The ninth month of the French Republican calendar, which dated from September 22, 1792. It began May, 20, and ended June 18. See vendemiaire.

n. The ninth month in the French revolutionary calendar. In the year 1794 it began May 20th and ended June 18th.

n. ninth month of the Revolutionary calendar (May and June); the month of meadows

"Hélène was born at Plouhinec, department of Morbihan, on (according to the official record) "28 prairial," in the eleventh year of the republic (1803)."

revolutionary calendar month   

Vendémiaire