- a bath large enough to immerse the whole body or to dive into
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for plunge bath
Well, yes, a little bruised; but having had his plunge-bath: that's the great thing.Sylvie and Bruno
At last he dashed out as if he were going into what a friend of mine calls a plunge-bath.
A plunge-bath, a tooth-pulling, an amputation, and a dress-party are all worse in anticipation than in the moment of infliction.The End Of The World
Similar in its effects to the cold bath or plunge-bath; but without many of its advantages.
A stream of water ran at the foot of the garden, and close to it was built a vapour-bath, and a dressing-house for a plunge-bath.Fred Markham in Russia
W. H. G. Kingston