knapsack
nap sak
- n a bag carried by a strap on your back or shoulder
- A blue-turbaned, elderly Sikh with a flowing white beard kick-starts his scooter while balancing a small knapsack of shopping on the seat behind him.
- BACKPACK BULWARK A knapsack lined with a lightweight, bulletproof plate that students can use as a shield to protect against gunfire or knife blades.
- Backpacks get overloaded with school books, and your child can wind up with a hurt back if you skimp out with a cheap knapsack.