n. One who washes; a washerwoman or washerman.n. A gutter or channel for conveying water; specifically, a channel or trough, generally made of wood, in which water is carried in any desired direction.To wash and iron, as clothes; do up by washing, starching, and ironing: now used especially of laundry-work on a large scale.To wet; wash.To cover, as a metal, with a thin wash or film.