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