WikiWord

English

octant

noun

Meaning

  1. The eighth part of a circle; an arc of 45 degrees.
  2. The aspect of two planets that are 45°, or one-eighth of a circle, apart.
  3. The eighth part of a disc; a sector of 45 degrees; half a quadrant.
  4. An instrument for measuring angles, particularly of elevation.

Etymology / origin

From Latin octāns. Doublet of Octans.

  1. octāns(la)
  2. octant (English)
  3. Relations: der

Related words

Descendant words

Sources

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