backpack
noun /ˈbækpæk/
/ˈbækpæk/
- enlarge image(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.
Oxford Collocations Dictionaryadjective- leather
- bulging
- loaded
- …
- grab
- shoulder
- drop
- …
- 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.