A backpack is a cloth sack carried on one's back and secured with straps.

Look up backpack in Wiktionary, the free dictionary.

Backpack may also refer to:

• Part of some sorts of equipment (e.g. breathing sets, flamethrowers) which is carried on the back
• "Backpack", a song from Justin Bieber album Journals
• Plymouth Backpack, a concept car
• Backpack, a character in Dora the Explorer
• Badge Backpack, a repository for collecting and displaying digital badges from a variety of sources

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