Suitcase (noun)

1. A portable case for holding clothes and other items when travelling.
2. A piece of luggage consisting of a flat bottomed bag with a hinged cover, supported by a handle or handles and often mounted on wheels.

Origin:

Mid 19th century: from suit, on the pattern of pair of cases.

Examples:

1. He packed his suitcase for his trip.
2. She bought a new suitcase for her vacation.
3. The suitcase was too heavy to carry.
4. The suitcase was lost by the airline.
5. The suitcase was placed in the trunk of the car.