Eraser, Rubber
noun
You've seen the word 消す, I hope. This comes from that. You're extinguishing something with ゴム. ゴム is a word for either gummy or rubbery things. So, this is a gummy thing that extinguishes something. This is an eraser that extinguishes pencil markings.
けしごむ, けしゴム
The reading comes from 消す, so make sure you know that word so you can read this one!
日本の消しゴムはクオリティがすごく高い。
Japanese erasers have incredibly high quality.
ねえ、消しゴム持ってる？
Hey, do you have an eraser?
クリスマスに、彼女に消しゴムの形のイヤリングをプレゼントしたら、フラれました。
I got dumped when I gave her eraser-shaped earrings as a Christmas present.