to rub or scrape out, as letters or characters written, engraved, etc.; efface.

to eliminate completely

She couldn't erase the tragic scene from her memory.

to obliterate (material recorded on magnetic tape or a magnetic disk)

She erased the message.

to obliterate recorded material from (a magnetic tape or disk)

He accidentally erased the tape.

Computers . to remove (data) from computer storage.

Slang . to murder

The gang had to erase him before he informed on them.

to give way to effacement readily or easily.

to obliterate characters, letters, markings, etc., from something.