re ‧ fec ‧ to ‧ ry /rɪˈfekt ə ri/ BrE AmE noun ( plural refectories ) [countable] British English
[ Date: 1400-1500 ; Language: Late Latin ; Origin: refectorium , from Latin refectus , past participle of reficere 'to put back in good condition' ]
a large room in a school, college etc where meals are served and eaten SYN cafeteria American English