definition of
erase

[1] #1 erase v. [wipe out] remove from memory or existence; "The Turks erased the Armenians in 1915". wn

[2] #2 erase v. [rub out, score out, efface, wipe off] remove by or as if by rubbing or erasing; "Please erase the formula on the blackboard--it is wrong!". wn

[3] #3 erase v. [delete] wipe out digitally or magnetically recorded information; "Who erased the files form my hard disk?". wn