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

Definition of EQUINOCTIAL

1
:  equator 1
2
:  an equinoctial storm

First Known Use of EQUINOCTIAL

1521

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