knapsack

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English[edit]

Etymology[edit]

From Low German knapzak, or Dutch knapzak (older form cnapsack), knap from Middle Dutch cnappen(to bite with teeth) + sack. German Knappsack is from Dutch.

Noun[edit]

knapsack ‎(plural knapsacks)

  1. (US) A case of canvas or leather, for carrying items on the back.
  2. (cryptography) A set of values from which a subset is chosen.

Synonyms[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]