waterfinder

[ waw-ter-fahyn-der, wot-er- ]
/ ˈwɔ tərˌfaɪn dər, ˈwɒt ər- /

noun

a dowser; water witch.

Origin of waterfinder

An Americanism dating back to 1880–85; water + finder
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019