Relating to the vicinity of the equator
English: equinoctial
equinoctialEnglish
equinoctial, celestial equator, equinoctial circle, equinoctial line
Adjective
Relating to an equinox (when the lengths of night and day are equal)
English: equinoctial
Noun
The great circle on the celestial sphere midway between the celestial poles
English: celestial equator, equinoctial circle, equinoctial line, equinoctial