lock‧er /ˈlɒkə $ ˈlɑːkər/ noun [countable]

1. a small cupboard with a lock in a school, sports building, office etc, where you can leave clothes or possessions while you do something

2. American English a very cold room used for storing food in a restaurant or factory:
a meat locker

[TahlilGaran] Dictionary of Contemporary English ▲