- (n.) A place or building for making observations on the heavenly bodies.
- (n.) A lookout on a flank of a battery whence an officer can note the range and effect of the fire.
- (n.) A building fitted with instruments for making systematic observations of any particular class or series of natural phenomena.
- (n.) A place, as an elevated chamber, from which a view may be observed or commanded.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). observatory. Retrieved September 23, 2026, from http://smartdefine.org/observatory/definitions/2038054 |
| Chicago | Webster's. 2011. "observatory" http://smartdefine.org/observatory/definitions/2038054 (accessed September 23, 2026). |
| Harvard | Webster's 2011, observatory, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/observatory/definitions/2038054>. |
| MLA | Webster's. "observatory" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/observatory/definitions/2038054> |