the world > action or operation > endeavour > searching or seeking > make a search [verb (intransitive)] > search for subterraneous water (3)
intransitive. To dowse for underground sources of water (or sometimes minerals, oil, etc.) using a divining rod or similar technique.
spec. dialect (a) A stout stick. (b) A divining-rod (cf. rod, n.1 3c). to work the twig, to use the divining-rod.
intransitive. To use the divining- or dowsing-rod in search of subterraneous supplies of water or mineral veins.