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1. A navigational instrument containing a graduated 60-degree arc, used for measuring the altitudes of celestial bodies for use in determining the latitude and longitude of the observer.
2. Sextant See Sextans.
[New Latin sextāns, sextant-, from Latin, sixth part (so called because the instrument's arc is a sixth of a circle), from sextus, sixth; see s(w)eks in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Navigation) an optical instrument used in navigation and consisting of a telescope through which a sighting of a heavenly body is taken, with protractors for determining its angular distance above the horizon or from another heavenly body
2. (Tools) an optical instrument used in navigation and consisting of a telescope through which a sighting of a heavenly body is taken, with protractors for determining its angular distance above the horizon or from another heavenly body
3. (Mathematics) a sixth part of a circle having an arc which subtends an angle of 60°
[C17: from Latin sextāns one sixth of a unit]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
an astronomical instrument used to determine latitude and longitude at sea by measuring angular distances, esp. the altitudes of sun, moon, and stars.
[1590–1600; < New Latin sextant-, s. of sextāns, Latin: sixth part of a unit (see sext, -ant); the instrument has a graduated arc equal to a sixth of a circle]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
a navigational instrument for determining latitude and longitude by measuring the angles of heavenly bodies in relation to the horizon or other heavenly bodies.See also: Instruments
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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|Noun||1.||sextant - a unit of angular distance equal to 60 degrees|
circumference - the length of the closed curve of a circle
angular unit - a unit of measurement for angles
|2.||sextant - a measuring instrument for measuring the angular distance between celestial objects; resembles an octant|
astrolabe - an early form of sextant
limb - the graduated arc that is attached to an instrument for measuring angles; "the limb of the sextant"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
sextant[ˈsekstənt] N → sextante m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
n → Sextant m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007