Octant definition

Octant

Topics Octant Definition

WordNet

noun

(1) A measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration

WiktionaryText

Noun

The eighth part of a circle; an arc of 45 degrees.
: The eighth part of a disc; a sector of 45 degrees; half a quadrant.
: An instrument for measuring angles, particularly of elevation.

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