Source : Webster's Revised Unabridged Dictionary (1913)

Westness \West"ness\, n.
   1. The quality or state of being wet; moisture; humidity; as,
      the wetness of land; the wetness of a cloth.

   2. A watery or moist state of the atmosphere; a state of
      being rainy, foggy, or misty; as, the wetness of weather
      or the season.

   Note: Wetness generally implies more water or liquid than is
         implied by humidness or moisture.