Source : Webster's Revised Unabridged Dictionary (1913)

Waterless \Wa"ter*less\, a.
   Destitute of water; dry. --Chaucer.

Source : WordNet®

waterless
     adj : lacking sufficient water or rainfall; "an arid climate"; "a
           waterless well"; "miles of waterless country to cross"
           [syn: {arid}]