A flat disk, placed beneath a nut or at some joint, to distribute pressure, relieve friction or prevent leakage
A fitting, usually having a plug, applied to a cistern, tub, sink, or the like, and forming the outlet opening
A ring of metal, leather, or other material, or a perforated plate, used for various purposes, as around a bolt or screw to form a seat for the head or nut, or around a wagon axle to prevent endwise motion of the hub of the wheel and relieve friction, or in a joint to form a packing, etc
a home appliance for washing clothes and linens automatically seal consisting of a flat disk placed to prevent leakage someone who washes things for a living