We found 18 dictionaries that define the word spring equinox:

General (11 matching dictionaries)

1. spring equinox: Oxford Learner's Dictionaries
2. spring equinox: Collins English Dictionary
3. spring equinox: Vocabulary.com
4. spring equinox: Wiktionary
5. spring equinox: Infoplease Dictionary
6. spring equinox: Dictionary.com
7. Spring Equinox, Spring equinox (Northern Hemisphere), Spring equinox (disambiguation), Spring equinox: Wikipedia, the Free Encyclopedia
8. Spring equinox: Rhymezone
9. spring equinox: FreeDictionary.org
10. spring equinox: Mnemonic Dictionary
11. spring equinox: TheFreeDictionary.com

Business (1 matching dictionary)

12. spring equinox: Legal dictionary

Computing (1 matching dictionary)

13. spring equinox: Encyclopedia

Miscellaneous (2 matching dictionaries)

14. Encyclopedia of Graphic Symbols (No longer online)
15. Spring Equinox: Holidays Around the World

Science (2 matching dictionaries)

16. Spring Equinox: Eric Weisstein's World of Astronomy
17. Atmospheric Chemistry and Air Quality (No longer online)

Tech (1 matching dictionary)

18. Glossary of Meteorology (No longer online)

Definitions from Wiktionary (spring equinox) ▸ noun:  (astronomy) vernal equinox Similar: vernal equinox, March equinox, fall equinox, September equinox, autumn equinox, autumnal equinox, spring, equinox, southward equinox, northward equinox, more... Opposite: autumnal equinox, fall equinox ▸ Words similar to spring equinox ▸ Usage examples for spring equinox ▸ Idioms related to spring equinox ▸ Wikipedia articles (New!) ▸ Words that often appear near spring equinox ▸ Rhymes of spring equinox ▸ Invented words related to spring equinox