I. adjective Date: 1545 relating to an equinox or to a state or the time of equal day and night, relating to the regions or climate on or near the equator, relating to the time when the sun passes an ~ point, II. noun Date: 1521 equator 1, an ~ storm
EQUINOCTIAL
Meaning of EQUINOCTIAL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012