The Collaborative International Dictionary of English v.0.48:

Sowse \Sowse\, n. & v.
   See Souse. [Obs.] --ryden.
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The Collaborative International Dictionary of English v.0.48:

Souse \Souse\, n. [OF. sausse. See Sauce.] [Written also
   souce, sowce, and sowse.]
   1. Pickle made with salt.
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   2. Something kept or steeped in pickle; esp., the pickled
      ears, feet, etc., of swine.
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            And he that can rear up a pig in his house,
            Hath cheaper his bacon, and sweeter his souse.
                                                  --Tusser.
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   3. The ear; especially, a hog's ear. [Prov. Eng.]
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   4. The act of sousing; a plunging into water.
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