A washer is a thin plate & most commonly has a disk-shape with a hole in middle.
In addition, Washers are also used for locking a device and reducing the vibration. These locking washers are available in various types such as spring washers, star washers, multi-tooth washers, disc spring washers, wave washers, taper washers, safety washers etc.
These are available in Mild Steel, Spring Steel and Stainless Steel. Washers can be classified into 3 broad classifications
