We found 31 dictionaries that define the word arnica:

General (20 matching dictionaries)

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

Art (1 matching dictionary)

21. Arnica: Health & Beauty Glossary

Computing (1 matching dictionary)

22. arnica: Encyclopedia

Medicine (6 matching dictionaries)

23. arnica: Merriam-Webster Medical Dictionary
24. Medical Dictionary (No longer online)
25. online medical dictionary (No longer online)
26. Hepatitis C Information Central (No longer online)
27. Arnica: Glossary of Herbs, Botanicals and Other Products
28. arnica: Medical dictionary

Miscellaneous (1 matching dictionary)

29. ARNICA: Acronym Finder

Science (1 matching dictionary)

30. A Modern Herbal, 1931, by Mrs. M. Grieve (No longer online)

Tech (1 matching dictionary)

31. Arnica: Beauty & Health Glossary

(Note: See arnicas as well.)

Definitions from Wiktionary (arnica) ▸ noun:  Any of several plants, of the genus Arnica, considered to have medicinal properties, especially Arnica montana. Similar: mountain tobacco, wolfsbane, spikenard, alternanthera, achillea, artemisia, anthericum, matricaria, camomile, leopardsbane, more... Phrases: Arnica montana, arnica cordifolia, heartleaf arnica, arnica bud, genus arnica, more... Adjectives: homeopathic, little, yellow, leaved, per, subalpine, leaf, golden, more, hairy, present Colors:     yellow,     mustard,     amber,     sunflower,     marigold, more... ▸ Words similar to arnica ▸ Usage examples for arnica ▸ Idioms related to arnica ▸ Wikipedia articles (New!) ▸ Popular adjectives describing arnica ▸ Words that often appear near arnica ▸ Rhymes of arnica ▸ Invented words related to arnica