1 [mass noun] clothes and linen that need to be washed or that have been newly washed:piles of dirty laundry
the action or process of washing clothes:cooking and laundry were undertaken by domestic staff
2a room in a house, hotel, or institution where clothes and linen can be washed and ironed:the pathology department was in the hospital basement, next to the laundry
a company washing and ironing clothes and linen commercially:lots of people send their sheets to a laundry these days [as modifier]:a laundry van