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English definition of “washer”

washer

noun [C]     /ˈwɒʃər/
RING a thin , flat ring that is put between a nut and a bolt (= metal objects used to fasten things together) Plumbing and pipes and sewage
MACHINE a machine that washes clothes Plumbing and pipes and sewage
(Definition of washer noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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