noun
- a device, as a piece of rubber or cloth, for erasing marks made with pen, pencil, chalk, etc.
- a person or thing that erases.
noun
- an object, such as a piece of rubber or felt, used for erasing something written, typed, etca pencil eraser
“thing that erases writing,” 1790, American English, agent noun from erase. Originally a knife for scraping off the ink. As a rubber product for removing pencil marks, from 1858.