Source : Webster's Revised Unabridged Dictionary (1913)

Erase \E*rase"\, v. t. [imp. & p. p. {Erased}; p. pr. & vb. n..
   {Erasing}.] [L. erasus, p. p. of eradere to erase; e out +
   radere to scrape, scratch, shave. See {Rase}.]
   1. To rub or scrape out, as letters or characters written,
      engraved, or painted; to efface; to expunge; to cross out;
      as, to erase a word or a name.

   2. Fig.: To obliterate; to expunge; to blot out; -- used of
      ideas in the mind or memory. --Burke.

Source : WordNet®

erase
     v 1: remove from memory or existence; "The Turks erased the
          Armenians in 1915" [syn: {wipe out}]
     2: remove by or as if by rubbing or erasing; "Please erase the
        formula on the blackboard--it is wrong!" [syn: {rub out},
        {score out}, {efface}, {wipe off}]
     3: wipe out magnetically recorded information [syn: {delete}]
        [ant: {record}]

Source : Free On-Line Dictionary of Computing

erase
     
        {delete}