Souse v. t. (past & past part. soused; pres. part. sousing)
1.
To steep in pickle; to pickle. "A soused gurnet."
2.
To plunge or immerse in water or any liquid. "They soused me over head and ears in water."
3.
To drench, as by an immersion; to wet throughly. "Although I be well soused in this shower."
Souse v. t. To pounce upon. (R.) "(The gallant monarch) like eagle o'er his serie towers, To souse annoyance that comes near his nest."
Souse v. i. To swoop or plunge, as a bird upon its prey; to fall suddenly; to rush with speed; to make a sudden attack. "For then I viewed his plunge and souse Into the foamy main.""Jove's bird will souse upon the timorous hare."
... this way." And she led him down the tunnel to the bedroom. There, in a corner of the bathroom, stood an antique closed toilet-stand, such as was used by men in the days before splashing and sousing were invented. She had removed it ... — The Pretty Lady • Arnold E. Bennett