资料来源 : Webster's Revised Unabridged Dictionary (1913)

Water witch \Wa"ter witch`\ (Zo["o]l.)
   (a) The dabchick.
   (b) The stormy petrel. [Prov. Eng.]

资料来源 : WordNet®

water witch
     n : someone who uses a divining rod to find underground water
         [syn: {dowser}, {rhabdomancer}]