Knapsack

Definition

A bag with straps worn on the back to carry belongings, typically used for hiking, traveling, or carrying supplies. It's similar to a backpack, though the term is older and often suggests a smaller or more utilitarian design.

Example Usage

The soldier packed his rifle and rations into his knapsack before the long march.

Origin

From Dutch 'knapzak,' derived from 'knappen' (to bite or snap) + 'zak' (bag), originally referring to a bag for carrying food.

Fun Fact

The knapsack problem is a famous optimization puzzle in computer science, asking how to best fill a bag with valuable items within a weight limit.

Source: Definition backfill (hailey)

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