Octant Definition

ŏktənt
noun
One eighth of a circle.
American Heritage
An eighth of a circle; 45° angle or arc.
Webster's New World
The area enclosed by two radii at a 45° angle and the intersected arc.
American Heritage
An instrument like the sextant, for measuring angles.
Webster's New World
The position of one celestial body when it is 45° distant from another.
Webster's New World

Other Word Forms of Octant

Noun

Singular:
octant
Plural:
octants

Origin of Octant

  • Latin octāns octant- from octō eight oktō(u) in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin octans

    From Wiktionary

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