Laundromat (noun)

A self-service laundry; a coin-operated washing and drying establishment.

Origin:

1930, american english, from laund(ry) + -o- + -mat (as in automat).

Examples:

1. He usually goes to the laundromat on Saturdays.
2. She did not have a washing machine at home, so she had to go to the laundromat.
3. The laundromat was full of people doing their laundry.
4. She put her clothes in the washing machine at the laundromat.
5. The laundromat was a gathering place for the neighborhood's residents.