'Eraser' definitions:

Definition of 'eraser'

(from WordNet)
noun
An implement used to erase something

Definition of 'Eraser'

From: GCIDE
  • Eraser \E*ras"er\, n. One who, or that which, erases; esp., a sharp instrument or a piece of rubber used to erase writings, drawings, etc. [1913 Webster]