wash‧er /ˈwɒʃə $ ˈwɒːʃər, ˈwɑː-/ noun [countable]
[Word Family: noun: wash, washer, washing; adjective: washable, unwashed; verb: wash]
[Sense 1: Date: 1300-1400; Origin: Origin unknown]
[Sense 2: Date: 1800-1900; Origin: wash]

1. a thin flat ring of plastic, metal, rubber etc that is put over a bolt before the nut is put on, or between two pipes, to make a tighter joint

2. informal a washing machine

[TahlilGaran] Dictionary of Contemporary English ▲