1. a person who douses; one who searches for water or minerals underground using a divining rod or similar device
Usage: also called a dowser; the practice is sometimes considered pseudoscientific
2. a person or device that douses something with liquid, especially water

Examples

• The douser claimed he could locate underground springs using only a wooden stick.
• A skilled douser walked the property with a forked rod, searching for water.
• The fire douser quickly extinguished the flames with a bucket of water.
• Some farmers hired a douser to find the best location to dig a well.
• The automatic douser on the roof helped prevent the fire from spreading.