1. Locker
While swimming in the pool, she lost her locker key.
It took many torpedo hits to send the battleship Bismarck to Davy Jones's locker.
A captain sometimes goes to Davy Jones's locker with his ship.
Each student has a locker.
I'll put these books into my locker.
Each of the students has his own locker.
My locker partner has made our locker very messy.
a luggage locker
you should put your hand luggage in the overhead locker
a gym/luggage/school locker
You have to pay £5 a month for a locker at my gym.
overhead locker
Students have got lockers in the corridor.
How much does a locker cost?
The wreckage of the ship was salvaged after it had gone to Davy Jones's locker.
2. locker room
The players were sitting in the locker room, resting after the match.
I leave my things in the locker room when I go swimming.
3. changing room
changing room
Excuse me, could you show me where the changing room is?
When I got to the swimming pool, I put on my swimsuit in the changing room.