[meisi:'dɔ:r]
<法>n.收获月(法兰西共和历的10月,相当于公历6月19日到7月18日)

[ noun ]
tenth month of the Revolutionary calendar (June and July); the month of harvest
<noun.time>

Messidor \Mes`si`dor"\ (F. ?; E. ?), n. [F., fr. L. messis
harvest.]
The tenth month of the French republican calendar dating from
September 22, 1792. It began June 19, and ended July 18. See
{Vend['E]miaire}.