Definition of equinoctial

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  • equinoctial is a valid Scrabble US word with a point value of 22
  • equinoctial is a valid Scrabble UK word with a point value of 22
  • equinoctial is a valid Words with friends word with a point value of 26

Definition of equinoctial

  • the great circle on the celestial sphere midway between the celestial poles (noun)

    Synonyms

    1. celestial equator
    2. equinoctial circle
    3. equinoctial line
  • relating to the vicinity of the equator ()
  • relating to an equinox (when the lengths of night and day are equal) ()

See definition of equinoctial in Merriam Webster