knapsack

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a bag carried by a strap on your back or shoulder (Freq. 4)
• Syn:
backpack, back pack, packsack, rucksack, haversack
• Derivationally related forms:
backpacker (for: backpack), backpack (for: backpack)
• Hypernyms:
bag
• Hyponyms:
kitbag, kit bag

• Từ đồng nghĩa / Synonyms:
  backpack, back pack, packsack, rucksack, haversack