Source : Webster's Revised Unabridged Dictionary (1913)

Moisture \Mois"ture\, n. [Cf. OF. moistour, F. moiteur.]
   1. A moderate degree of wetness. --Bacon.

   2. That which moistens or makes damp or wet; exuding fluid;
      liquid in small quantity.

            All my body's moisture Scarce serves to quench my
            furnace-burning heat.                 --Shak.

Source : WordNet®

moisture
     n : wetness caused by water; "drops of wet gleamed on the
         window" [syn: {wet}]