A person who predicts the presence of underground water with hand-held tools such as forked twigs (Divining Rod) or metal rods. The United States Geological Survey (USGS) and the National Water Well Association do not advise against using a water witch to search for ground water, but say that there is no scientific basis for the belief in water witchery. Also see Douse (also Dowse or Dowsing).
WATER WITCH
Meaning of WATER WITCH in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012