The Collaborative International Dictionary
Bowssen
Bowssen \Bows"sen\, v. t. To drench; to soak; especially, to immerse (in water believed to have curative properties). [Obs.]
There were many bowssening places, for curing of mad
men.
. . . If there appeared small amendment he was
bowssened again and again.
--Carew.
Wiktionary
bowssen
vb. (context obsolete English) To drench; to soak; to immerse (in water believed to have curative properties).