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See also: Octant
octant (plural octants)
- The eighth part of a circle; an arc of 45 degrees.
- (astrology) The aspect of two planets that are 45°, or one-eighth of a circle, apart.
- (geometry) The eighth part of a disc; a sector of 45 degrees; half a quadrant.
- (nautical) An instrument for measuring angles, particularly of elevation.
- (astronomy): octile
octant m (plural octants)
- octant (all senses)