Dictionary
1equinoctial
adjective equi·noc·tial \ˌē-kwə-ˈnäk-shəl, ˌe-\
Definition of EQUINOCTIAL
1
: relating to an equinox or to a state or the time of equal day and night
2
: relating to the regions or climate on or near the equator
3
: relating to the time when the sun passes an equinoctial point
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First Known Use of EQUINOCTIAL
1545
2equinoctial
noun
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