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Webster 1913 Edition


Sextant

Sex′tant

,
Noun.
[L.
sextans
,
-antis
, the sixth part of an as, fr.
sextus
sixth,
sex
six. See
Six
.]
1.
(Math.)
The sixth part of a circle.
2.
An instrument for measuring angular distances between objects, – used esp. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley’s quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle. See
Quadrant
.
3.
(Astron.)
The constellation Sextans.
Box sextant
,
a small sextant inclosed in a cylindrical case to make it more portable.

Webster 1828 Edition


Sextant

SEX'TANT

,
Noun.
[L. sextans, a sixth. the Romans divided the as into 12 ounces; a sixth, or two ounces, was the sextans.]
1. In mathematics, the sixth part of a circle. Hence,
2. An instrument formed like a quadrant, excepting that its limb comprehends only 60 degrees, or the sixth part of a circle.
3. In astronomy, a constellation of the southern hemisphere which, according to the British catalogue, contains 41 stars.

Definition 2022


Sextant

Sextant

See also: sextant

English

Proper noun

Sextant

  1. (astronomy) The constellation Sextans.

Dutch

Etymology

From sextant.

Proper noun

Sextant ?

  1. (astronomy) Sextans

German

Pronunciation

  • Rhymes: -ant

Noun

Sextant m (genitive Sextanten, plural Sextanten)

  1. sextant

sextant

sextant

See also: Sextant

English

A nautical sextant

Noun

sextant (plural sextants)

  1. (nautical) A navigational device for deriving angular distances between objects so as to determine latitude and longitude.
    • 1918, Edgar Rice Burroughs, The Land That Time Forgot Chapter IV
      For several days things went along in about the same course. I took our position every morning with my crude sextant; but the results were always most unsatisfactory. They always showed a considerable westing when I knew that we had been sailing due north. I blamed my crude instrument, and kept on.
  2. (geometry) One sixth of a circle or disc; a sector with an angle of 60°.

Translations

See also


Czech

Noun

sextant m

  1. sextant

French

Pronunciation

  • IPA(key): /sɛk.stɑ̃/

Noun

sextant f (plural sextants)

  1. sextant