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Noun: backpack  'bak,pak
  1. A bag carried by a strap on your back or shoulder
    - back pack, knapsack, packsack, rucksack, haversack
Verb: backpack  'bak,pak
  1. (sport) hike with a backpack
    "Every summer they are backpacking in the Rockies";
    - pack

Derived forms: back packs, backpacking, backpacked, backpacks

Type of: bag, hike

Encyclopedia: Backpack