observatory
noun /əbˈzɜːvətri/
/əbˈzɜːrvətɔːri/
(plural observatories)
- a special building with a telescope or other equipment that scientists use to watch the stars, the weather, etc.Topics Buildingsc2Word Originlate 17th cent.; from modern Latin observatorium, from Latin observat- ‘watched’, from the verb observare ‘to watch’, from ob- ‘towards’ + servare ‘attend to, look at’.