Equinoctial meaning

ēkwə-nŏkshəl, ĕkwə-
Relating to an equinox.
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Relating to the celestial equator.
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A violent storm of wind and rain occurring at or near the time of the equinox.
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Relating to either of the equinoxes or to equal periods of day and night.
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Occurring at or about the time of an equinox.
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Equatorial.
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A storm occurring at or about the time of an equinox.
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Relating to an equinox.
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Relating to the celestial equator.
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Of or relating to an equinox.
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(astronomy) Of or relating to a celestial or terrestrial equator.
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Relating to the time when the sun enters the equinoctial points.

An equinoctial gale or storm, i.e. one happening at or near the time of the equinox, in any part of the world.

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The great circle midway between the celestial poles; the celestial equator.
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(rare) The terrestrial equator.
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Origin of equinoctial

  • Middle English equinoxial from Old French from Latin aequinoctiālis from aequinoctium equinox equinox

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin aequinoctiālis.

    From Wiktionary