book·bag 
(bkbăg′)
(bkbăg′)n.
A small backpack or other bag used to carry books and papers.
- walk off/away with
- walk off with
- walk of life
- walk of shame
- walk-on
- walk on air
- walk out
- walkout
- walk out on
- walk over
- walkover
- walk (someone) through
- walk someone through
- walk the plank
- walk the walk
- walk through
- walk-through
- walk through
- walkup
- walk-up
- walkway
- Walkyrie
- Walkyrie
- walky-talky
- walky-talky