: an instrument for measuring angular distances used especially in navigation to observe altitudes of celestial bodies (as in ascertaining latitude and longitude)
Illustration of sextant
Example Sentences
Recent Examples on the WebChow's sextant, a navigation instrument that measured celestial objects and the horizon -- the only navigation device at that time -- was useless. Maggie Hiufu Wong, CNN, 23 Aug. 2021 The astrodome included a hanging point for a sextant so navigators would not have to hold the weighty instrument. David Hambling, Popular Mechanics, 25 Apr. 2021 For centuries, using a sextant, a sailor could mark a ship’s location by making a few calculations to determine a star’s position relative to the horizon. David Hambling, Popular Mechanics, 25 Apr. 2021 One, a rally in the Northeast sextant’s King School Park.oregonlive, 5 Sep. 2020 A year prior, the sextant used by the captain of rescue ship Carpathia sold for just under $97,000.Fox News, 12 June 2020 A year prior, the sextant used by the captain of rescue ship Carpathia sold for just under $97,000.Fox News, 12 June 2020 A year prior, the sextant used by the captain of rescue ship Carpathia sold for just under $97,000.Fox News, 12 June 2020 Darwin's sextant from the voyage aboard the Beagle.National Geographic, 11 June 2020 See More
Word History
Etymology
New Latin sextant-, sextans sixth part of a circle, from Latin, sixth part, from sextus sixth