Dictionary.net

• The fifth month of the French republican calendar adopted in 1793. It began January 20, and ended February 18. See Vendemiaire.

2010 - New Age Dictionary Database
By Oddity Software

• The fifth month of the French republican calendar adopted in 1793. It began January 20, and ended February 18. See Vendemiaire.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.