Meaning of BACKPACK in English

BACKPACK

noun

a carrying case (as of canvas or nylon) held on the back by shoulder straps

carried his supplies in a backpack

Synonyms: haversack, knapsack, pack, packsack, rucksack

Merriam Webster. Collegiate thesaurus English vocabulary.      Английский энциклопедический словарь тезаурус.