Definition Of briefcase
a flat, rectangular container, typically made of leather, for carrying books and papers.
Harry just happens to have a bottle of whisky in his briefcase , and plastic cups.
Example Of briefcase
Almost against his will, his hands moved to the two locks on either side of the briefcase 's handle.
Both men were dressed in suits and had briefcases with them containing miscellaneous business papers.
But those conspicuously carrying briefcases and cellular phones must pay up.
But to my horror when I got downstairs there were two men dressed in black suits carrying black leather briefcases .
Carry your workout gear in your briefcase or pack it away in the trunk of your car.