dormitory
/ˈdɔːmɪtərɪ/noun
(pl. -ies)
1- a large bedroom for a number of people in a school or institution（学校或机构的）寝室; 宿舍。
1.1
- N. Amer. a university or college hall of residence or hostel〈北美〉（大学或学院的）学生宿舍。
1.2
- as modifier denoting a small town or suburb providing a residential area for those who work in a nearby city（为在附近城市里工作的人提供的）住宅城, 郊外居住区。
词源
late Middle English: from Latin dormitorium, neuter (used as a noun ) of dormitorius, from dormire 'to sleep'.