Origin: Latin suffix -ory
Observatory has 3 different meanings across 1 category:
a building designed and equipped to observe astronomical phenomena
"The astronomers climbed up to the observatory to watch the meteor shower."
a structure commanding a wide view of its surroundings
"The hilltop observatory offered a commanding view of the entire valley below."
A place where stars, planets and other celestial bodies are observed, usually through a telescope; also place for observing meteorological or other natural phenomena.
"The university built a new observatory on the hilltop to study distant galaxies and track sudden changes in local weather patterns."
In plain English: An observatory is a building where people look at stars and planets through big telescopes to learn about space.
"We visited the observatory last night to look at the stars through powerful telescopes."
Usage: An observatory is primarily a facility equipped with telescopes for studying celestial objects like stars and planets. It can also refer to buildings designed for monitoring weather patterns or other natural phenomena.
The word entered English directly from French as observatoire. It originally referred to a place built specifically for making astronomical observations or watching the stars.