Definitions for vernal equinox

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Random House Webster's College Dictionary

ver′nal e′quinox(n.)

  1. Category: Astronomy

    Ref: See under equinox (def. 1). 1

Origin of vernal equinox:

1525–35

Princeton's WordNet

  1. vernal equinox, March equinox, spring equinox(noun)

    March 21

  2. vernal equinox(noun)

    (astronomy) the equinoctial point that lies in the constellation of Pisces

Wiktionary

  1. vernal equinox(Noun)

    the moment when the sun appears to cross the celestial equator, heading northward

  2. vernal equinox(Noun)

    the point where the ecliptic intersects the celestial equator at that time


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