observatory

1. A building designed and equipped to observe astronomical phenomena (synset 103845191)
   is a type of: building, edifice - a structure that has a roof and walls and stands more or less permanently in one place
2. A structure commanding a wide view of its surroundings (synset 103694269)
   is a type of: construction, structure - a thing constructed; a complex entity constructed of many parts
   subtypes:

   • observation dome - lookout consisting of a dome-shaped observatory
   • widow's walk - a lookout atop a coastal house
   same as: lookout, lookout station, observation tower

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