perigee

noun

peri·​gee ˈper-ə-(ˌ)jē How to pronounce perigee (audio)
: the point in the orbit of an object (such as a satellite) orbiting the earth that is nearest to the center of the earth
also : the point nearest a planet or a satellite (such as the moon) reached by an object orbiting it compare apogee
perigean adjective

Examples of perigee in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Prior to the translunar injection, the crew completed a perigee raise burn to position the spacecraft in the correct orbital geometry for the maneuver, ensuring the engine firing would place Orion precisely on its intended path. Greg Wehner, FOXNews.com, 3 Apr. 2026 The crew later performed a second perigee burn the morning after launch, using Orion’s main engine, in order to further refine its trajectory toward the moon, NASA said. Briana Alvarado, ABC News, 2 Apr. 2026 That altitude will eventually allow the astronauts to prepare Orion for a maneuver to raise the vehicle's perigee – an astronomical term referring to the point at which an object is nearest to Earth in its continuous orbit. Eric Lagatta, USA Today, 2 Apr. 2026 About an hour later, when Orion reaches that perigee, the ICPS will fire again to continue raising the spacecraft into a high-Earth orbit. Richard Tribou, The Orlando Sentinel, 1 Apr. 2026 See All Example Sentences for perigee

Word History

Etymology

Middle French, from New Latin perigeum, from Greek perigeion, from neuter of perigeios near the earth, from peri- + earth

First Known Use

1595, in the meaning defined above

Time Traveler
The first known use of perigee was in 1595

Browse Nearby Words

Cite this Entry

“Perigee.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perigee. Accessed 5 Apr. 2026.

Kids Definition

perigee

noun
peri·​gee ˈper-ə-jē How to pronounce perigee (audio)
: the point nearest a planet (as the earth) or other body (as a moon) reached by an object orbiting it compare apogee

More from Merriam-Webster on perigee

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster