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
The space also has a dishwasher plus a washer and dryer.
From MarketWatch • Nov. 21, 2025
One woman passed out flyers for a furnished studio in downtown L.A. with air conditioning, a Murphy bed, an in-unit washer and dryer and streaming TV.
From Los Angeles Times • Nov. 21, 2025
Methanol is an industrial chemical found in antifreeze and windscreen washer fluid.
From BBC • Oct. 21, 2025
It had been a roudne day, a day more or less like the other days I had spent on the job as errand boy and washer of eyeglasses.
From "Black Boy" by Richard Wright
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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.