What is "washers"

Usage examples of "washers".

I check again that the setting on both washers is correct and then go out into the hall.

Then we added one pound of iron filings and two cups of assorted washers, nuts, and bolts and stirred the whole mess with a shovel while topping the tank off with water.

The heavier iron bolts, nuts, and washers settled in the coarse trays, sorted by size along with a few heavier pieces of quartz gravel.

Pot washers duck a lot when sharp objects are thrown at them when they make poor Chef mad.