Washer

Definitions

1. Something that washes; especially an appliance such as a washing machine or dishwasher.
2. A flat piece of material, often of metal and often an annulus, placed beneath a nut or at some joint, to distribute pressure, alleviate friction, provide directionally differentiated friction (e.g. making the nut turn counter-clockwise only with difficulty), or prevent leakage.
3. A surname.
4. A person who washes (especially clothes) for a living; a washerman or washerwoman.
5. A person who washes their hands compulsively, as a symptom of obsessive-compulsive disorder.
6. A face cloth.

Equivalents

Examples

“A £1.2 million carriage washer has opened at Norwich Crown Point⟳, enabling Greater Anglia to clean⟳ its 58 Stadler trains. It is one of two new washers (the other is for '720s' at Southend), […]”

“To ensure that the stays are steamtight, a nut is then screwed tight up to copper washers inside and out.”

CEFR level