A bag used to hold household or business garbage. Usually plastic, and often regulated in color or type by local municipalities.
ゴミ袋を買い忘れたので、今日は新聞紙で包んで出した。
I forgot to buy garbage bags, so today I wrapped (the trash) in newspaper and took it out.
燃えるゴミは指定のゴミ袋に入れてください。
Please put combustible trash in the designated garbage bags.
このサイズのゴミ袋は小さめで、キッチンにちょうどいい。
This size of garbage bag is on the small side and fits the kitchen just right.
スーパーのレジ袋とゴミ袋は用途が違うので注意する。
Be careful: supermarket shopping bags and garbage bags have different uses.