リュック

りゅっく
noun
backpack
1. backpack; rucksack
backpack; rucksack
I climbed the mountain carrying a backpack.
I put my textbooks in my backpack.
It's good manners to carry your backpack in front on the train.

リュック (short for リュックサック, from German "Rucksack") is a bag carried on the back with shoulder straps.

Full form: リュックサック

Related terms:

Common expressions:

Etiquette note: In crowded trains, people are encouraged to wear リュック in front or hold it by hand to avoid bumping others.