dowsing

/D AW1 S IH0 NG/
verb
  1. 1

    To plunge suddenly into water; to duck; to immerse.

  2. 2

    To fall suddenly into water.

  3. 3

    To put out; to extinguish.

verb
  1. 1

    To strike, beat, or thrash.

  2. 2

    To strike or lower in haste; to slacken suddenly

    โ€œDouse the topsail!โ€

verb
  1. 1

    To use the dipping or divining rod, as in search of water, ore, etc.

noun
  1. 1

    The practice of seeking water or other substances (usually liquid) with the aid of a forked stick or similar pointing device, as believed by some practitioners to derive from supernatural power.

Source: https://en.wiktionary.org/wiki/douse, https://en.wiktionary.org/wiki/dowse, https://en.wiktionary.org/wiki/dowsing