From Middle English dormitory, dormytory, dormytorye, borrowed from Latin dormitorium (“a sleeping-room”), neuter of dormitorius (“belonging to sleep”), dormitor (“a sleeper”), from dormire (“to sleep”). Doublet of dorter.
dormitory (plural dormitories)
- A room containing a number of beds (and often some other furniture and/or utilities) for sleeping, often applied to student and backpacker accommodation of this kind.
- A building or part of a building which houses students, soldiers, monks etc. who sleep there and use communal further facilities.
- A dormitory town.
- (room for sleeping) dorm (common abbreviation)