In astronomy, that aspect of two planets in which they are distant from each other the eighth part of a circle or 45 degrees.
Word of the Day: Catachrestical
1. The eighth part of a circle; an arc of 45 degrees.
2. The position or aspect of a heavenly body, as the moon or a planet, when half way between conjunction, or opposition, and quadrature, or distant from another body 45 degrees.
3. An instrument for measuring angles (generally called a quadrant), having an arc which measures up to 9O¡, but being itself the eighth part of a circle. Cf. Sextant.
4. One of the eight parts into which a space is divided by three coordinate planes.
No thesaurus entries found for "octant".
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