eraser
eras.er \i-'ra--s*r\ n : one that erases; specif : a sharp instrument or a piece of rubbe r or cloth used to erase marks (as of ink or chalk)
Webster's English Dictionaryeras.er \i-'ra--s*r\ n : one that erases; specif : a sharp instrument or a piece of rubbe r or cloth used to erase marks (as of ink or chalk)