n pl , -ries
1 a large room, esp. at a school or institution, containing several beds
2 (U.S.) a building, esp. at a college or camp, providing living and sleeping accommodation
3 modifier (Brit) denoting or relating to an area from which most of the residents commute to work (esp. in the phrase dormitory suburb), (Often (for senses 1, 2) shortened to)
(C15: from Latin dormitorium, from dormire to sleep)
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