Entry 3 senses · 3 variants Webster, 1913 Ventose · Ven·tose · IPA n. a. n. 01 n. A ventouse. 1. A ventouse.[Obs.] 02 a. Windy; flatulent. 1. Windy; flatulent. 03 n. The sixth month of the calendar adopted by the first French republic. It began February 19, and ended March 20. See Vendémiaire. 1. The sixth month of the calendar adopted by the first French republic. It began February 19, and ended March 20. See Vendémiaire. See: Vendémiaire