- (formerly) a building or outbuilding in which laundry was done
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 wash house
The father, having bolted the wash-house door, had bolted himself.The Mudfog and Other Sketches
Madame Boche, meanwhile, was trying to discover the wash-house boy.
Her wash-house in the Rue Neuve had chosen her as queen in spite of her leg.
She recognized Virginie, the girl whose face she had slapped at the wash-house.
Yes, Virginie still had in mind that fight in the wash-house.