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sextant
noun
sex·tant
ˈsek-stənt
: an instrument for measuring angular distances used especially in navigation to observe altitudes of celestial bodies (as in ascertaining latitude and longitude)
Examples of sextant in a Sentence
Recent Examples on the Web
Black Spy stares at the moon through an elaborate sextant, adjusting various settings and making mental calculations, finally drawing an X on the ground with a compass before setting the bucket down.
—Gyasi Hall, Longreads, 12 Sep. 2023
But otherwise, the astronauts’ situation was similar enough to that of Earthly sailors to use similar technology, which means instead of a marine sextant, astronauts used a space sextant.
—Amy Shira Teitel, Discover Magazine, 15 June 2019
The sextant used by the captain of the rescue ship Carpathia sold for just under $97,000 in 2016.
—James Rogers, Fox News, 1 Nov. 2020
The space sextant had two lines of sight, one fixed and one movable.
—Amy Shira Teitel, Discover Magazine, 15 June 2019
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Word History
Etymology
New Latin sextant-, sextans sixth part of a circle, from Latin, sixth part, from sextus sixth
First Known Use
1628, in the meaning defined above
Articles Related to sextant
Dictionary Entries Near sextant
Cite this Entry
“Sextant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sextant. Accessed 22 Nov. 2024.
Kids Definition
sextant
noun
sex·tant
ˈsek-stənt
: a navigational instrument for measuring the angle between the horizon and the sun or a star in order to find out the latitude (as of a ship)
More from Merriam-Webster on sextant
Nglish: Translation of sextant for Spanish Speakers
Britannica.com: Encyclopedia article about sextant
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