Autumnal Equinox — synonyms, autumnal equinox antonyms, definition
1. autumnal equinox (Noun)
2 synonyms
September equinox fall equinox
1 antonym
vernal equinox
2 definitions
autumnal equinox (Noun) — September 22.
autumnal equinox (Noun) — (astronomy) the equinoctial point that lies in the constellation of Virgo.
2 types of
equinoctial point equinox
5 parts of
Sep Sept September autumn fall