messenger bag
nounUK /ˈmes.ɪn.dʒə bæɡ/
US /ˈmes.ɪn.dʒɚ bæɡ/
A messenger bag is a bag with a long strap that you wear across your body to carry things.
She put her books and lunch in her messenger bag before riding her bike to school.
OTHER MEANINGS
2. A bag worn by a person who delivers messages or packages.
The messenger bag held all the letters he had to deliver.
3. A style of bag often used by students or cyclists for hands-free carrying.
Cyclists like messenger bags because they stay put while riding.
4. A bag with a flap closure and a single long strap, typically made of canvas or leather.
He bought a canvas messenger bag for his trip.