someone who washes things for a living
"The wealthy family hired a professional washer to clean their delicate silk dresses every week."
seal consisting of a flat disk placed to prevent leakage
"The mechanic replaced the old washer on the pipe joint to stop water from leaking again."
a home appliance for washing clothes and linens automatically
"We need to buy a new washer because our old one broke down during the laundry cycle."
Something that washes; especially an appliance such as a washing machine or dishwasher.
"The mechanic installed a new copper washer between the pipe and the valve to stop water from leaking during repairs."
A flat disk, placed beneath a nut or at some joint, to distribute pressure, alleviate friction or prevent leakage.
In plain English: A washer is a thin, flat piece of metal with a hole in the middle that goes under a screw head to keep it from slipping or damaging the surface underneath.
"He bought an automatic washer to clean his clothes at home."
Usage: A washer is the flat disk placed under a nut to distribute pressure and prevent leaks, distinct from the household appliances used for cleaning clothes or dishes. When referring to hardware, ensure you specify "flat" if describing its shape rather than confusing it with other types of washers like lock washers.
To fit (a mechanical device) with a washer.
"The mechanic stopped to install a new gasket before he could finish washing the car."
In plain English: To wash something is to clean it with water and soap so that dirt comes off.
"She used her car to wash away the mud from her boots."
A surname.
"The famous singer named Washer performed at the concert last night."
The word washer comes from Middle English, formed by adding the suffix -er to the verb wash. It originally referred to a person or thing used for washing.