washer

One who washes.

An appliance, especially a washing machine, used for washing.

A flat disk, as of metal, plastic, rubber, or leather, placed beneath a nut or bolt to make the connection more secure or distribute pressure or placed between parts to space the parts properly or prevent leakage in a joint.

To fit with washers.

One who or that which washes: as, a washer of clothes; a dish-washer; a wool-washer.

An annular piece of leather, rubber, metal, or other material placed at a joint in a water-pipe or faucet to make the joint tight and prevent leakage, or over a bolt, or a similar piece upon which a nut may be screwed.

A similar article forming an ornament, as at the socket or pin that holds any adjustable utensil: as, the mother-of-pearl washers of a fan. Compare rosette.

In paper manufacturing, a straining-and-washing machine used in the process of cleaning rags, to bring them to a pulpy condition; a beating-engine.

In plumbing, the outlet of a cistern. It includes the pipe, the joint or union, and the plug, as for a basin.

A washing-machine: as, a clothes-washer, window-washer, gold-washer.