launderer

launder +‎ -er

• IPA^(key): /ˈlɔːndəɹə(ɹ)/

launderer (plural launderers)

1. One who engages in the business of laundering.
   • 1941 September, Charles E. Lee, “Sheltering in London Tube Stations”, in Railway Magazine, page 389:

     [...] the Westminster City Council has arranged with a large firm of launderers to wash blankets, sheets, pillow cases, and counterpanes, at low standard prices, and to return them the same day.

• relaunder