/dawr"mi tawr'ee, -tohr'ee/ , n. , pl. dormitories .
1. a building, as at a college, containing a number of private or semiprivate rooms for residents, usually along with common bathroom facilities and recreation areas.
2. a room containing a number of beds and serving as communal sleeping quarters, as in an institution, fraternity house, or passenger ship.
[ 1475-85; dormitorium bedroom, equiv. to dormi ( re ) to sleep + -torium -TORY 2 ]