Octant (noun) Definition, Meaning & Examples

noun
  1. the eighth part of a circle.
  2. any of the eight parts into which three mutually perpendicular planes divide space.
  3. an instrument having an arc of 24°, used by navigators for measuring angles up to 90°.
  4. the position of one heavenly body when 45° distant from another.
  5. the constellation Octans.
noun
  1. maths
    • any of the eight parts into which the three planes containing the Cartesian coordinate axes divide space
    • an eighth part of a circle
  2. the position of a celestial body when it is at an angular distance of 45° from another body
  3. an instrument used for measuring angles, similar to a sextant but having a graduated arc of 45°
Octant (noun) Definition, Meaning & Examples

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