Rubber Band
Elastic Band
noun
A ring of gum (ゴム) (which is what Japanese people call rubber quite often) is a ring of rubber. What is a ring of rubber that people use often? It's a rubber band.
The reading for 輪 is the kun'yomi vocab reading, which is わ, making this word わゴム.
輪ゴムをかける
to put a rubber band on something
輪ゴムを外す
to take a rubber band off of something
輪ゴムを使う
to use a rubber band
輪ゴムが切れる
a rubber band snaps, to be out of rubber bands
輪ゴムがある
there is a rubber band
輪ゴムがない
don't have a rubber band, there is no rubber band
輪ゴムで止める
to fasten with a rubber band
輪ゴムではじく
to flick with a rubber band
輪ゴムでしばる
to tie with a rubber band
この輪ゴムはとても丈夫です。
This elastic band is very durable.
彼女はヘアゴムの代わりに輪ゴムを使いました。
She used a rubber band instead of a hair tie.
輪ゴムなら、あのデスクの上に何本かあるはずですよ。
If it's rubber bands you're looking for, there should be several on that desk.