backpack
/ˈbæk.pæk/noun
A bag with two straps that you carry on your back, used by students, hikers, and travelers.
Example sentences
- “He stuffed his books and laptop into his backpack.”
- “She traveled through Asia with only a small backpack.”
- “Don't forget to put a water bottle in your backpack.”
British English often says 'rucksack' for a large one. As a verb, 'backpacking' means traveling cheaply with your things in a backpack.