Eraser (noun)

1. A tool or substance used to erase or remove something written or drawn.
2. A tool used to remove mistakes made while writing or drawing.

Origin:

Late 17th century: from obsolete french raser, from latin radere "scrape or scratch".

Examples:

1. Children often use erasers to remove mistakes made while writing or drawing.
2. A pencil eraser is a small, topper-shaped piece of rubber that can be used to erase pencil marks from paper.
3. A gum eraser is a small, pink, rectangular piece of rubber that can be used to erase graphite or charcoal from paper.
4. A white-out eraser is a tool that can be used to erase ink or other types of marks from paper.
5. An eraser is an essential tool for artists, allowing them to make adjustments to their work without damaging the underlying surface.