Adjective equinoctial has 2 senses
  1. equinoctial - relating to the vicinity of the equator
  2. equinoctial - relating to an equinox (when the lengths or night and day are equal)
,Noun equinoctial has 1 sense
  1. celestial equator, equinoctial circle, equinoctial line, equinoctial - the great circle on the celestial sphere midway between the celestial poles
    --1 is a kind of great circle
    --1 has particulars: right ascension
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