Locker (noun)

1. A cupboard or compartment with a lock, used for storage, especially in a gym or school.
2. A cabinet or chest with a lock for storing valuables.

Origin:

Late 18th century: from lock + -er.

Examples:

1. The students were assigned lockers in the school gym.
2. He put his gym clothes in his locker.
3. The employee had a locker to store his personal items.
4. The train station had lockers for storing luggage.
5. The locker room had a bank of lockers for the players to use.