The operation of deleting data.
To remove markings or information
I erased that note because it was wrong.
To obliterate information from (a storage medium), such as to clear or (with magnetic storage) to demagnetize.
I'm going to erase this tape.
To obliterate (information) from a storage medium, such as to clear or to overwrite.
I'm going to erase those files.
To remove a runner from the bases via a double play or pick off play
Jones was erased by a 6-4-3 double play.
To be erased (have markings removed, have information removed or be cleared of information).
The chalkboard erased easily.
To disregard (a group, an orientation, etc.); to prevent from having an active role in society.
To kill; assassinate.