refectory

noun

1. A dining hall, especially in an institution such as a college or monastery.

   “They compare very well with similar cafes elsewhere and the quality, for example, is far better and the price cheaper than in my college refectory.”

   “With a clattering of chairs, upended shell cases, benches, and ottomans, Pirate's mob gather at the shores of the great refectory table, a southern island well across a tropic or two from chill Croydon.”