dowser

/ˈdaʊzər/
noun
  1. A person who uses a forked stick or a rod to search for underground water, minerals, or other hidden things.
    • Many farmers hire a dowser to find the best spot to dig a well.
    • The old dowser claimed he could locate lost pipes with his special rod.
    • The dowser walked slowly across the field, holding the forked stick tightly.
Synonyms
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