dining car
US /ˈdaɪ.nɪŋ ˌkɑːr/
UK /ˈdaɪ.nɪŋ ˌkɑːr/

1.
a railroad car equipped for serving meals to passengers
:
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We enjoyed a delicious meal in the train's dining car.
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The dining car offers a variety of dishes for breakfast, lunch, and dinner.