or  /ɔr/
1. a state in northwestern United States on the Pacific
synset: Oregon, Beaver_State, OR, Ore.
2. a room in a hospital equipped for the performance of surgical operations; "great care is taken to keep the operating rooms aseptic"
synset: operating_room, OR, operating_theater, operating_theatre, surgery
Princeton University "About WordNet." WordNet. Princeton University. 2010.
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