A knapsack, sometimes mounted on a light frame, but always supported by straps, worn on a person’s back for the purpose of carrying things, especially when hiking, or on a student's back when carrying books.

(intransitive) To hike and camp overnight in backcountry with one's gear carried in a backpack.

plural of backpacker

A hostel catering to backpackers.

hiking and camping overnight in backcountry with one's gear carried in a backpack. / low-cost, generally urban, travel with minimal luggage and frugal accommodations.

present participle of backpack

plural of backpack

Third-person singular simple present indicative form of backpack

Wearing a backpack.

simple past tense and past participle of backpack