noun, plural re·fec·to·ries.
- a dining hall in a religious house, a college, or other institution.
noun plural -tories
- a communal dining hall in a religious, academic, or other institution
“dining hall,” especially one in a monastery, early 15c., from Medieval Latin refectorium, from past participle stem of reficere “to remake, restore,” from re- (see re-) + facere (see factitious).