washer
Americannoun
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a person or thing that washes.
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a flat ring or perforated piece of leather, rubber, metal, etc., used to give tightness to a joint, to prevent leakage, to distribute pressure, etc., as under the head of a nut or bolt.
noun
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a person or thing that washes
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a flat ring or drilled disc of metal used under the head of a bolt or nut to spread the load when tightened
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any flat ring of rubber, felt, metal, etc, used to provide a seal under a nut or in a tap or valve seat
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See washing machine
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chemical engineering a device for cleaning or washing gases or vapours; scrubber
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a face cloth; flannel
Other Word Forms
Etymology
Origin of washer
Middle English word dating back to 1275–1325; see origin at wash, -er 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The bungalow is outfitted with a dishwasher and washer and dryer; Adams pays $2,340 in rent including utilities.
From Los Angeles Times • Feb. 4, 2026
Unlike the Alcazars’ spacious 1966 home in New Orleans, their new ADU’s interiors are modern and simple, with white oak floors and cabinets and Bosch appliances, including a stackable washer and dryer.
From Los Angeles Times • Dec. 17, 2025
The space also has a dishwasher plus a washer and dryer.
From MarketWatch • Nov. 21, 2025
Methanol is an industrial chemical found in antifreeze and windscreen washer fluid.
From BBC • Oct. 21, 2025
Johnny had no watch but he took an iron faucet washer, attached the fob to it and wore it in his vest pocket all day pretending it was a watch.
From "A Tree Grows in Brooklyn" by Betty Smith
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
