We found 32 dictionaries that define the word arcturus:

General (22 matching dictionaries)

1. Arcturus: Merriam-Webster
2. Arcturus: Oxford Learner's Dictionaries
3. Arcturus: American Heritage Dictionary of the English Language
4. Arcturus: Collins English Dictionary
5. Arcturus: Vocabulary.com
6. Arcturus: Wordnik
7. Arcturus: Wiktionary
8. Arcturus: Webster's New World College Dictionary, 4th Ed.
9. Arcturus: The Wordsmyth English Dictionary-Thesaurus
10. Arcturus: Infoplease Dictionary
11. Arcturus: Dictionary.com
12. Arcturus: Online Etymology Dictionary
13. Arcturus (band), Arcturus (disambiguation), Arcturus (steamship), Arcturus: Wikipedia, the Free Encyclopedia
14. Arcturus: Online Plain Text English Dictionary
15. arcturus: Webster's Revised Unabridged, 1913 Edition
16. Arcturus: Rhymezone
17. Arcturus: AllWords.com Multi-Lingual Dictionary
18. arcturus: Webster's 1828 Dictionary
19. arcturus: FreeDictionary.org
20. arcturus: Mnemonic Dictionary
21. Arcturus: TheFreeDictionary.com
22. Arcturus: Merriam-Webster

Art (1 matching dictionary)

23. An Etymological Dictionary of Classical Mythology (No longer online)

Computing (1 matching dictionary)

24. Arcturus (star), Arcturus: Encyclopedia

Medicine (1 matching dictionary)

25. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

26. Encyclopedia of Graphic Symbols (No longer online)

Religion (2 matching dictionaries)

27. Arcturus: Easton Bible
28. Arcturus: Smith's Bible Dictionary

Science (2 matching dictionaries)

29. arcturus: Dictionary of Botanical Epithets
30. Arcturus: Extragalactic Astronomy

Slang (1 matching dictionary)

31. Arcturus: Urban Dictionary

Tech (1 matching dictionary)

32. SeaTalk Dictionary of English Nautical Language (No longer online)

Definitions from Wiktionary (Arcturus) ▸ noun:  (astronomy) A bright yellow-orange star in the constellation Boötes; Alpha (α) Boötis. It is the fourth-brightest star in the night sky. Similar: Boötes, Aldebaran, Antares, Alioth, hamal, Sheratan, Alphard, Bellatrix, Alpha Orionis, Nekkar, more... Opposite: nocturne, antares, betelgeuse Phrases: A Voyage to Arcturus, Arcturus T-20, more... Adjectives: bright, brilliant, red, old, moist, orange, great, high, giant, pitiless, off ▸ Word origin ▸ Words similar to arcturus ▸ Usage examples for arcturus ▸ Idioms related to arcturus ▸ Wikipedia articles (New!) ▸ Popular adjectives describing arcturus ▸ Words that often appear near arcturus ▸ Rhymes of arcturus ▸ Invented words related to arcturus