One that erases, especially an implement, such as a piece of rubber or a pad of felt, used for erasing marks made by pencil or chalk.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "eraser" in a sentence
"For readers who want to know more: The eraser is a sculpture by Swedish sculptor Claes Oldenburg, who is best known for his oversize sculptures of everyday objects."
"Dumbya is like a brain eraser, if you are within 75 feet of him your IQ drops by 70 points."
"I try to erase Franklin but the eraser is old and brittle and just makes smudges as it crumbles."