eraser
nounUK /ɪˈreɪzə/
US /ɪˈreɪsər/
A small thing you use to rub out pencil marks.
She used an eraser to fix her mistake on the paper.
OTHER MEANINGS
2. A tool or substance used to remove marks, ink, or dirt from a surface.
The teacher wiped the whiteboard with a big eraser.
3. A piece of felt or soft material used to clean a blackboard.
He clapped the chalkboard eraser outside to knock off the dust.
4. In computing, a tool that deletes or removes data or marks.
Click the eraser tool to remove the extra lines from the drawing.