Le mot anglais pour casier est
locker

Définitions

casier
1. n-m. locker (for storage)
2. n-m. lobster pot, lobster trap
3. n-m. informal ellipsis of casier judiciaire, , criminal record
4. n-m. a wooden basket, bin or chest in which dairy products such as cheese and butter were stored in the past

prior
1. adj. Antérieur.
2. prep. Avant.
Prior to leaving, you must eat.
Avant de partir, il faut manger.
3. n. Prieur.

prior
1. adj. Advance; previous; coming before.
I had no prior knowledge you were coming.
2. adj. Former, previous.
His prior residence was smaller than his current one.
3. adv. (colloquial) Previously.
The doctor had known three months prior.
4. n. A high-ranking member of a monastery, usually lower in rank than an abbot.
5. n. (historical) A chief magistrate in Italy.
6. n. (US slang) A previous arrest or criminal conviction on someone's record.
7. n. (statistics) In Bayesian inference, a prior probability distribution, one based on information or belief before additional data is collected.