noun
One who erases.
(Canada, US, Philippines) An object used to erase or remove something written or drawn by a pen or a pencil.
(Canada, US, Philippines) An object used to erase something written either by chalk on a chalkboard, by a marker on a whiteboard, or by some other erasable implement; a chalkboard eraser, whiteboard eraser, etc.
(computing) An overwriter program used to prevent data recovery.