noun
canteen, cafeteria, mess hall
B1
Kantine (die) means canteen, cafeteria, or mess hall — a place where meals are served at workplaces, schools or the military. Plural is Kantinen. It's a regular feminine noun with standard declension and no irregular plural. Common collocations: Kantine besuchen, in der Kantine essen.
Examples
In der Mittagspause esse ich in der Kantine.
During the lunch break, I eat in the canteen.
Wir treffen uns in der Kantine zum Mittagessen.
We meet in the canteen for lunch.
Die Schule hat eine große Kantine mit verschiedenen Gerichten.
The school has a big cafeteria with a variety of dishes.
Details
Mnemonics
Picture a workplace dining room with long tables and trays — a cantine/canteen
Sounds like 'canteen' in English — very similar
DIE Kantine — imagine a community dining room (die = feminine)
Notes
Kantine commonly refers to a workplace or institutional dining facility (company, school, military). Informal contexts may use 'Mensa' for university cafeterias.