noun (n)

• a building designed and equipped to observe astronomical phenomena

  bangunan yang dirancang dan dilengkapi untuk mengamati fenomena astronomi

  source: wordnet30
• a structure commanding a wide view of its surroundings

  strukturnya komando pandangan lingkungan yang luas

  Synonym:
  lookout, lookout station, observation tower
  

  source: wordnet30
• A place or building for making observations on the heavenly bodies.

  tempat atau bangunan untuk membuat pengamatan di surga para tubuh.

  source: webster1913