Satchel (noun)

1. A bag, typically made of leather or canvas, with a shoulder strap and a flap or zipper that covers the top, used for carrying books and other items.
2. A small suitcase or bag, typically with a shoulder strap.

Origin:

Middle english sachel, from old english sæcc, from latin sacculus, from saccus bag.

Examples:

1. He carried a satchel to school.
2. The satchel was filled with books.
3. She wore a satchel over her shoulder.
4. The satchel had a buckle on the front.
5. The satchel was made of high-quality leather.