The Collaborative International Dictionary of English v.0.48:
Fructidor \Fruc`ti`dor"\, n. [F., fr. L. fructus fruit.] The twelfth month of the French republican calendar; -- commencing August 18, and ending September 16. See Vend['e]miaire. [1913 Webster]WordNet (r) 3.0 (2006):
Fructidor n 1: twelfth month of the Revolutionary calendar (August and September); the month of fruit