observatory
nounUK /əbˈzɜː.və.tri/
US /əbˈzɝː.və.tɔːr.i/
A building with a big telescope where people look at the stars and planets.
We visited the observatory on the hill to see the moon through a giant telescope.
RELATED WORDS
OTHER MEANINGS
2. A place or building used for watching natural events like weather or the sky.
The weather observatory records the temperature every hour.
3. A high place built to see far in every direction.
Soldiers stood in the observatory on the tower to watch the valley.
4. An organization that studies and collects information about a subject.
The health observatory publishes reports about hospitals.