অর্থ : The great circle on the celestial sphere midway between the celestial poles.
সমার্থক : celestial equator, equinoctial circle, equinoctial line
অর্থ : Relating to the vicinity of the equator.
অর্থ : Relating to an equinox (when the lengths of night and day are equal).
Equinoctial meaning in Bengali (Bangla).