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Topic: CLEANING

Sense: 1
Date: 1300-1400
Origin: Origin unknown
Sense: 2
Date: 1800-1900
Origin: wash

washer

noun
     
wash‧er [countable]
1DT 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 informalDHC a washing machine
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