a small bathhouse on wheels formerly used as a dressing room and in which bathers could also be transported from the beach to the water.
Origin of bathing-machine
First recorded in 1765–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a small hut, on wheels so that it could be pulled to the sea, used in the 18th and 19th centuries for bathers to change their clothes
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