Definition of equinox

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  • equinox is a valid Scrabble US word with a point value of 23
  • equinox is a valid Scrabble UK word with a point value of 23
  • equinox is a valid Words with friends word with a point value of 25

Definition of equinox

  • (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic (noun)

    Synonyms

    1. equinoctial point
  • either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length (noun)

See definition of equinox in Merriam Webster