to obliterate or rub out (something written, painted, etc)
to remove (recorded matter) from a magnetic tape
to delete (data) from a computer storage device
to remove (something) from existence or memory completely as if by erasing
to yield to being erased
Pencil erases easily
erasable adj
erasure noun
[Latin erasus, past part. of eradere, from ex-1 + radere to scratch, scrape]