washhouse

noun4

1. •
   A domestic outbuilding used as a laundry.

   • Now I'll see things walking a road that fifty other men would miss. I'll give you an instance, connected with the robbery of a wash-house copper." — 1938
2. •
   A public laundry.
3. •
   (New-Zealand) A room in a house used for washing laundry; a utility room.
4. •
   (UK, historical) A public facility where people could wash themselves and their clothes.

   • […] the washhouses complied with the Factory and Workshops Act of 1907. — 2000