| Noun | 1. | canteen - a flask for carrying water; used by soldiers or travelersflask - bottle that has a narrow neck | |
| 2. | canteen - sells food and personal items to personnel at an institution or school or camp etc.shop, store - a mercantile establishment for the retail sale of goods or services; "he bought it at a shop on Cape Cod" | |
| 3. | canteen - a restaurant outside; often for soldiers or policemen | |
| 4. | canteen - a recreation room in an institution | |
| 5. | canteen - restaurant in a factory; where workers can eat | |