echinox meaning in English

equinox [equinoxes]▼(one of the two times in the year when the length of the day and night are equal, which occurs when the apparent path of the Sun intersects with the equatorial plane of the Earth)
noun
[UK: ˈiː.kwɪ.nɒks] [US: ˈiː.kwə.ˌnɑːks]