eraser

[ih-rey-ser]

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.

Origin of eraser

First recorded in 1780–90; erase + -er¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for eraser

Historical Examples of eraser

I don't know what I said, if anything, and the suit recorder has no playback or eraser.
Accidental Death
Peter Baily
Always keep your pencils sharpened and have an eraser handy.
Manual of Military Training
James A. Moss
Trent picked up an eraser and passed it over the name on the envelope.
Anthony Trent, Master Criminal
Wyndham Martyn
An eraser, a knife, or some small article may be attached to one end of the thread.
Cornell Nature-Study Leaflets
Various
Willy's body vanished from the floor as I dropped the eraser.
The Animated Pinup
Lewis Parker

British Dictionary definitions for eraser

eraser

noun

an object, such as a piece of rubber or felt, used for erasing something written, typed, etca pencil eraser

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for 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.