Definitions of equinoctial

  1. The equator of the sky; a storm at the season of equal day and night.
  2. A great circle in the heavens corresponding to the equator of the earth, so called because when the sun crosses it the days and nights are equal.
  3. A celestial circle corresponding to the equator.
  4. A severe storm occurring at or near the equinox.
  5. The equator.
  6. The celestial equator, so called because the sun traverses it at the time of the equinox. Equinoctial flowers, flowers that open at a regular stated hour. Equinoctial points, the two points where the ecliptic and the equater intersect each other. Equinoctial time, time reckoned from a fixed instant common to all the world.
  7. The great circle of the celestial concave which divides the heavens into the northern and southern hemispheres, and which derives its name from the phenomenon that at all places on the earth's surface beneath this circle, the nights are equal all the year round, being of the constant length of 12 hours, the sun setting at 6 P. M., and rising at 6 A. M.; the circle in the heavens which the sun appears to describe when the days and nights are of equal length.
  8. Equinoctially.
  9. Pertaining to an equinox, or the equinoxes, or to the time of equal day and night; as, the equinoctial line.
  10. Pertaining to the regions or climate of the equinoctial line or equator; in or near that line; as, equinoctial heat; an equinoctial sun.
  11. Pertaining to the time when the sun enters the equinoctial points; as, an equinoctial gale or storm, that is, one happening at or near the time of the equinox, in any part of the world.
  12. Pertaining to the equinox, or to the time of equal day or night.
  13. Pertaining to the equinoxes, the time of the equinoxes, or to the regions about the equator.
  14. Pertaining to the equinox.
  15. Occurring at or pertaining to the equinox.
  16. Pertaining to the equinoxes, or to the regions or elimate in or near the equator, or to the time when the sun enters the equinoctial points.
  17. Making an equal length of day and night; occurring at the time of the equinoxes, as the equinoctial gales.
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