(n.) That point in the orbit of the moon which is nearest to the earth; -- opposed to apogee. It is sometimes, but rarely, used of the nearest points of other orbits, as of a comet, a planet, etc. Called also epigee, epigeum.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). perigeum. Retrieved September 24, 2026, from http://smartdefine.org/perigeum/definitions/2043822 |
| Chicago | Webster's. 2011. "perigeum" http://smartdefine.org/perigeum/definitions/2043822 (accessed September 24, 2026). |
| Harvard | Webster's 2011, perigeum, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/perigeum/definitions/2043822>. |
| MLA | Webster's. "perigeum" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/perigeum/definitions/2043822> |