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. Common abbreviation: dorm
A building or part of a building which houses students, soldiers, monks etc. who sleep there and use communal further facilities
A sleeping room, or a building containing a series of sleeping rooms; a sleeping apartment capable of containing many beds; esp
a college or university building containing living quarters for students a large sleeping room containing several beds
If you refer to a place as a dormitory suburb or town, you mean that most of the people who live there travel to work in another, larger town a short distance away