EQUINOCTIAL as NOUN

  1. Meaning
    • the great circle on the celestial sphere midway between the celestial poles
    Synonym(s) Hypernyms(s) equinoctial is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower Hyponym(s)

EQUINOCTIAL as ADJECTIVE

  1. Meaning
    • relating to an equinox (when the lengths or night and day are equal)
    Pertainym(s)
  2. Meaning
    • relating to the vicinity of the equator
    Pertainym(s)