[1] : The Collaborative International Dictionary of English v.0.48

douse \douse\ dous, v. t. imp.  p. p. doused doust; p.
   pr.  vb. n. dousing. cf. dowse, and od. donsen to
   strike with the fist on the back, sw. dunsa to fall down
   violently and noisily; perh. akin to e. din.
   1. to plunge suddenly into water; to duck; to immerse; to
      dowse. --bp. stillingfleet.
      1913 webster

   2. naut. to strike or lower in haste; to slacken suddenly;
      as, douse the topsail.
      1913 webster
see also:
doused dousing dowse 

[2] : WordNet (r) 2.0

dousing
     n : the act of wetting something by submerging it syn: submersion,
          immersion, ducking
see also:
submersion immersion ducking 

[3] : Moby Thesaurus II by Grady Ward, 1.0

31 moby thesaurus words for "dousing":
   baptism, burial, burning out, controlling, damping, dip, dipping,
   duck, ducking, dunking, dying, engulfment, extinction,
   extinguishment, fire fighting, flame-out, going out, immergence,
   immersion, inundation, putting out, quenching, sinking,
   smotheration, smothering, snuffing, souse, sousing, stifling,
   submergence, submersion

Dousing >> D Words
Dousing, definition of term: Dousing
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