Oxford Advanced American Dictionary

Definition of eraser noun from the Oxford Advanced Learner's Dictionary

eraser

noun
eraser pronunciation English ɪˈreɪzə(r) eraser pronunciation American ɪˈreɪsər
(North American English or formal) (British English also rubber)
 
a small piece of rubber or a similar substance, used for removing pencil marks from paper; a piece of soft material used for removing chalk marks from a blackboard