New American Oxford Dictionary
dowsing
dows ing |ˈdouziNG ˈdaʊzɪŋ | ▶noun a technique for searching for underground water, minerals, or anything invisible, by observing the motion of a pointer (traditionally a forked stick, now often paired bent wires ) or the changes in direction of a pendulum, supposedly in response to unseen influences: [ as modifier ] : a dowsing rod.
Oxford Dictionary
dowsing
dows |ing |ˈdaʊzɪŋ | ▶noun [ mass noun ] a technique for searching for underground water, minerals, ley lines, or anything invisible, by observing the motion of a pointer (traditionally a forked stick, now often paired bent wires ) or the changes in direction of a pendulum, supposedly in response to unseen influences: [ as modifier ] : a dowsing rod.