Origin of knapsackDutch knapzak from knappen (see knap) + zak, a sack
A woman wearing a backpack or knapsack.
An example of a knapsack is a schoolbag.
Origin of knapsackProbably Low German Knappsack knappen to bite ( probably of imitative origin ) Sack bag ( from Middle Low German sak ) ( from Old High German sac ) ( from Late Latin saccus ; see sack 1. )
- (US) A case of canvas or leather, for carrying items on the back.
(third-person singular simple present knapsacks, present participle knapsacking, simple past and past participle knapsacked)
- To go hiking while burdened with a knapsack, usually overnight (longer.)
- My sleeping bag fell off my backpack into the water, while we were knapsacking up the mountain.
- Don't go zippering up his knapsack on him.
- The knapsack contained nearly all new clothes, both dirty and clean.
- A Cossack who accompanied him had handed him a knapsack and a flask, and Nesvitski was treating some officers to pies and real doppelkummel.
- They sat for a moment while Dean opened his knapsack and checked their limited equipment.
- The second, smaller knapsack contained a bulky sweater, rain gear, three sweatbands and a rolled up cap.