Source : Webster's Revised Unabridged Dictionary (1913)

Ventose \Ven*tose"\, n.
   A ventouse. [Obs.] --Holland.

Ventose \Ven*tose"\, a. [L. ventosus windy. See {Ventilate}.]
   Windy; flatulent. --Richardson (Dict.).

Ventose \Ven`tose"\, n. [F. vent[^o]se. See {Ventose}, a.]
   The sixth month of the calendar adopted by the first French
   republic. It began February 19, and ended March 20. See
   {Vend?miaire}.

Source : WordNet®

Ventose
     n : sixth month of the Revolutionary calendar (February and
         March); the windy month