vernal equinox
1. March 21 • Syn: March equinox, spring equinox • Ant: autumnal equinox • Hypernyms: equinox • Hyponyms: Noruz, Nowruz, Nowrooz • Part Holonyms: spring, springtime, March, Mar 2. (astronomy) the equinoctial point that lies in the constellation of Pisces • Topics: astronomy, uranology • Hypernyms: equinoctial point, equinox
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