Octant

noun

Definitions

Noun
  1. 1
    The eighth part of a circle; an arc of 45 degrees.
  2. 2
    a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration wordnet
  3. 3
    The aspect of two planets that are 45°, or one-eighth of a circle, apart.
  4. 4
    The eighth part of a disc; a sector of 45 degrees; half a quadrant.
  5. 5
    An instrument for measuring angles, particularly of elevation.

Etymology

From Latin octāns. Doublet of Octans.

Next best steps

Mini challenge

Unscramble this word: octant