backpack

from WordNet (r) 3.0 (2006)

backpack
    n 1: a bag carried by a strap on your back or shoulder [syn:
         {backpack}, {back pack}, {knapsack}, {packsack},
         {rucksack}, {haversack}]
    v 1: hike with a backpack; "Every summer they are backpacking in
         the Rockies" [syn: {backpack}, {pack}]

from The Collaborative International Dictionary of English v.0.48

backpack \back"pack\ n.
   a bag carried on the back, supported by straps looped over
   the shoulders.

   Syn: knapsack; rucksack; haversack. [WordNet 1.5]

from The Collaborative International Dictionary of English v.0.48

backpack \back"pack\ v. i.
   to hike while carrying a backpack; -- often used in the form
   {go backpacking}; as, to backpack through the forest.
   [PJC]

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