Hypertext Webster Gateway: "eraser"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
From WordNet (r) 1.7 (wn)
eraser
n : an implement used to erase something
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