1 a a person or thing that washes. b a washing-machine.
2 a flat ring of rubber, metal, leather, etc., inserted at a joint to tighten it and prevent leakage.
3 a similar ring placed under the head of a screw, bolt, etc., or under a nut, to disperse its pressure.
4 Austral. a cloth for washing the face.
washer-up (pl. washers-up) a person who washes up dishes etc.
aquamanile, automatic dishwasher, basin, bath, bathtub, bidet, dishpan, dishwasher, dishwiper, dry cleaner, ewer, finger bowl, kitchen sink, launderer, laundress, laundryman, laundrywoman, lavabo, lavatory, piscina, pot-walloper, scullery maid, scullion, shower, shower bath, shower curtain, shower head, shower room, shower stall, showers, sink, tub, wash barrel, wash boiler, washbasin, washbowl, washdish, washerman, washerwife, washerwoman, washing machine, washing pot, washpot, washstand, washtub