Definitions

1. noun

A small, usually cylindrical device used for rubbing out pencil marks from a surface.

“She needed an eraser to remove the pencil marks from her notebook.”

2. verb

To remove or rub out something, typically pencil marks.

“Can you erase the pencil marks on the whiteboard?”

3. verb

To remove or delete something, typically information or data.

“The software allows you to erase any errors in the document.”