DuckCorp Dico

Found one definition

1.                 From 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]