Source : Webster's Revised Unabridged Dictionary (1913)

Windiness \Wind"i*ness\, n.
   1. The quality or state of being windy or tempestuous; as,
      the windiness of the weather or the season.

   2. Fullness of wind; flatulence.

   3. Tendency to generate wind or gas; tendency to produce
      flatulence; as, the windiness of vegetables.

   4. Tumor; puffiness.

            The swelling windiness of much knowledge.
                                                  --Brerewood.

Source : WordNet®

windiness
     n : a mildly windy state of the air [syn: {breeziness}]