IPA: //ˈræb.dəʊˌmæn.sər//
KK: /ˈræbdoʊˌmænsər/
A person who uses a divining rod to find water or minerals underground.
The rhabdomancer walked through the field, searching for hidden water sources.
Rhabdomancer → It is formed from "rhabdos" (from Greek, meaning rod or staff) and "manteia" (from Greek, meaning divination or prophecy). The word refers to the practice of divination using a rod or staff to locate water or minerals.
Imagine using a 'rod' ('rhabdos') to 'foretell' or find something ('manteia') — that's how rhabdomancer relates to the practice of divination with a rod.