We found 26 dictionaries that define the word rigel:

General (20 matching dictionaries)

1. Rigel, Rigel: Merriam-Webster
2. Rigel: Oxford Learner's Dictionaries
3. Rigel: American Heritage Dictionary of the English Language
4. Rigel: Collins English Dictionary
5. Rigel: Vocabulary.com
6. Rigel: Wordnik
7. Rigel: Wiktionary
8. Rigel: Webster's New World College Dictionary, 4th Ed.
9. Rigel: The Wordsmyth English Dictionary-Thesaurus
10. Rigel: Infoplease Dictionary
11. Rigel: Dictionary.com
12. Rigel: Online Etymology Dictionary
13. Rigel (comics), Rigel (disambiguation), Rigel (dog), Rigel (microprocessor), Rigel (rocket), Rigel: Wikipedia, the Free Encyclopedia
14. Rigel: Online Plain Text English Dictionary
15. rigel: Webster's Revised Unabridged, 1913 Edition
16. Rigel: Rhymezone
17. Rigel: AllWords.com Multi-Lingual Dictionary
18. rigel: FreeDictionary.org
19. rigel: Mnemonic Dictionary
20. Rigel: TheFreeDictionary.com

Computing (2 matching dictionaries)

21. Rigel: Free On-line Dictionary of Computing
22. Rigel: Encyclopedia

Medicine (1 matching dictionary)

23. online medical dictionary (No longer online)

Science (2 matching dictionaries)

24. Rigel: Extragalactic Astronomy
25. RIGEL: Zoom Astronomy Glossary

Slang (1 matching dictionary)

26. rigel: Urban Dictionary

(Note: See rigeling as well.)

Definitions from Wiktionary (Rigel) ▸ noun:  (astronomy) A blue supergiant star in the constellation Orion; Beta (β) Orionis. The seventh brightest star in the night sky. ▸ noun:  A surname from German. Similar: beta orionis, Rigelian, regulus, Rigellian, red giant, Reticulum, Rasalgethi, Rastaban, red dwarf, Rotanev, more... Phrases: rigel kentaurus, Henri-Joseph Rigel, more... Adjectives: white, blue, bright, brilliant, honest, supergiant, giant Colors:     blue,     white,     silver,     cyan,     azure, more... ▸ Word origin ▸ Words similar to rigel ▸ Usage examples for rigel ▸ Idioms related to rigel ▸ Wikipedia articles (New!) ▸ Popular adjectives describing rigel ▸ Words that often appear near rigel ▸ Rhymes of rigel ▸ Invented words related to rigel