Longman Dictionary of Contemporary English
Wiktionary
n. (context US English): A military dining room or building on an army or marine base.
WordNet
n. a (large) military dining room where service personnel eat or relax [syn: mess]
Usage examples of "mess hall".
When Newman had arrived at the Area 35 restricted compound on Thursday morning, the whole group had stood and applauded when he walked into the small mess hall where they were having breakfast.
It seemed faintly obscene to find the exact same metal walls painted in the exact same shades recommended by long-haul jump psychologistswarm reds and golds in the mess hall, cool and soothing pastel blues and greens in the passenger and crew cabinsand the exact same shipboard schedules and routines.
He pulled her around to the back of the mess hall, away from the crowds.
Reeve sneezed sharply as he trotted across the Common to the mess hall.
Cass said urgently, not wanting to use her wristcom in the midst of the crowd of men and women on their way to and from the level's mess hall.