: one that orbits: such as
a
: a spacecraft designed to orbit a celestial body without landing on its surface

Examples of orbiter 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.
The Mangalyaan Mars orbiter ultimately spent eight years studying Mars from orbit, capturing detailed images of the Red Planet. — Tariq Malik, Space.com, 24 Sep. 2026 To confirm the discovery, the team turned to sharp, close-up images captured by the orbiter’s Narrow-Angle Camera, which also enabled researchers to measure the crater’s shape, size and impact to the surrounding terrain. — CNN Money, 21 Sep. 2026 The agency had intended to name the OV-101 orbiter Constitution. — David Chiu, PEOPLE, 17 Sep. 2026 Fortunately, an unprecedented mission sending two orbiters to Mercury later this year could help answer lingering questions. — Eric Lagatta, USA Today, 11 Sep. 2026 See All Example Sentences for orbiter

Word History

First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of orbiter was in 1951

Browse Nearby Words

Cite this Entry

“Orbiter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orbiter. Accessed 4 Oct. 2026.

Kids Definition

1
: one that orbits
2
Love words? Need even more definitions?

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