Definition of knapsack in English:
A soldier’s or hiker’s bag with shoulder straps, carried on the back, and typically made of canvas or other weatherproof material.
- The soldiers, dressed in bright green fatigues with knapsacks on their backs, filed through Jean Lesage Airport to meet loved ones who cheered and clapped.
- The second girl reluctantly produced a pack of cigarettes from her knapsack and offered one to the man.
- The thefts have occurred primarily at the DP library, where unattended knapsacks left inside study booths present an attractive opportunity for thieves.