From Longman Dictionary of Contemporary Englishwasherwash‧er /ˈwɒʃə $ ˈwɒːʃər, ˈwɑː-/ noun [countable] 1 DTa 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 joint2 informalDHC a washing machine
Examples from the Corpus
washer• Insertinch carriage bolts about 7 inches long to accommodate a washer and a nut on the inside of the beam.• This point means that where a motor vehicle is required to be fitted with wipers it must also have washers.• Come me little washer lad, come let's away, We're bound down to slavery for fourpence a day.• The soft, perished feel of the old washer which rubbed black on your fingers as you took it out of the tap.• In another bathroom I replaced the washers in the faucets that were leaking.• For recession-weary washers, lower bills may sound just as attractive as greener laundry - as it were.• Visibility is important; check the windshield washer reservoir before you start out.Origin washer 1. (1300-1400) Origin unknown2. (1800-1900) wash 