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Definition of backpack noun from the Oxford Advanced Learner's Dictionary

backpack

noun
 
/ˈbækpæk/
 
/ˈbækpæk/
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  1. (British English also rucksack)
     a bag that you carry on your back, made of strong material and often used by people who go climbing or walking
    • She swung her backpack over her shoulder.
    • He was wearing a heavy backpack.
    Topics Holidaysb1
    Oxford Collocations Dictionaryadjective
    • leather
    • bulging
    • loaded
    • …
    verb + backpack
    • grab
    • shoulder
    • drop
    • …
    See full entry
  2. a piece of equipment that is carried on the back
    • a weed-sprayer backpack
    Extra Examples
    • In the study, birds were fitted with a 28g backpack radio transmitter.
See backpack in the Oxford Advanced American Dictionary
Check pronunciation: backpack

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