English edit

Etymology edit

From Low German knapzak or Dutch knapzak (older form cnapsack), from Middle Dutch cnappen (to bite with teeth), ultimately from knappen (to eat, crack), of imitative origin, + sack. German Knappsack is from Dutch.

Pronunciation edit

  • IPA(key): /ˈnæpsæk/
  • (file)

Noun edit

knapsack (plural knapsacks)

  1. (chiefly US) A case of canvas or leather, for carrying items on the back.
    • 1891, Thomas Hardy, Tess of the d'Urbervilles, volume 1, London: James R. Osgood, McIlvaine and Co., page 23:
      The two elder reluctantly left him and walked on, taking their brother's knapsack to relieve him in following, and the youngest entered the field.
  2. (cryptography) A set of values from which a subset is chosen.

Synonyms edit

Translations edit

Verb edit

knapsack (third-person singular simple present knapsacks, present participle knapsacking, simple past and past participle knapsacked)

  1. To go hiking while burdened with a knapsack, usually overnight or for longer.
    My sleeping bag fell off my backpack into the water, while we were knapsacking up the mountain.

Synonyms edit

See also edit

Further reading edit