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Definition of Back pack
1. Noun. A bag carried by a strap on your back or shoulder. 
Exact synonyms: Backpack, Haversack, Knapsack, Packsack, Rucksack
Generic synonyms: Bag
Specialized synonyms: Kit Bag, Kitbag
Derivative terms: Backpack, Backpacker
Generic synonyms: Bag
Specialized synonyms: Kit Bag, Kitbag
Derivative terms: Backpack, Backpacker



