Equinoctial

//ˌɛk.wɪˈnɒk.ʃəl// adj, noun

Definitions

Adjective
  1. 1
    Of or relating to the spring or autumnal equinox. not-comparable

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

  2. 2
    Of or relating to the celestial equator. not-comparable
  3. 3
    Equatorial: Of or relating to the equator of the Earth. not-comparable, uncommon
Adjective
  1. 1
    relating to an equinox (when the lengths of night and day are equal) wordnet
  2. 2
    relating to the vicinity of the equator wordnet
Noun
  1. 1
    The great circle midway between the celestial poles; the celestial equator.

    "The scorching beams under the equinoctial, or extremity of cold within the circle Arctic, […] cannot avoid or expel this heat, fury, and rage of mortal men."

  2. 2
    the great circle on the celestial sphere midway between the celestial poles wordnet
  3. 3
    The terrestrial equator. rare

    "Nor is this vveather rare about the Æquinoctiall; by Mariners termed the Tornadoes: and tis ſo vncertaine, that novv you ſhall haue a quiet breath and gale, and ſuddenly an vnexpected violent guſt, and ſtorme, ſo fierce, that many times the ſhips vvill feele no helme."

  4. 4
    An equinoctial gale.

    "Heavy with storm the coast-lines grew, / And sharp the equinoctials blew"

Etymology

Etymology 1

Inherited from Middle English equinoctial, equinoccial, equinoxial, from Old French equinoxial, from Latin (circulus) aequinoctiālis, from aequinoctium + -alis.

Etymology 2

Inherited from Middle English equinoctial, equinoccial, equinoxial, from Old French equinoxial, from Latin (circulus) aequinoctiālis, from aequinoctium + -alis.

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