We found 35 dictionaries that define the word dune:

General (26 matching dictionaries)

1. dune: Merriam-Webster
2. dune: Oxford Learner's Dictionaries
3. dune: American Heritage Dictionary of the English Language
4. dune: Collins English Dictionary
5. dune: Vocabulary.com
6. D'une, Dune, d'une, dune, dune: Wordnik
7. dune: Cambridge Advanced Learner's Dictionary
8. dune: Wiktionary
9. dune: Webster's New World College Dictionary, 4th Ed.
10. dune: The Wordsmyth English Dictionary-Thesaurus
11. dune: Infoplease Dictionary
12. dune: Dictionary.com
13. dune: Online Etymology Dictionary
14. dune: Cambridge Essential American English Dictionary
15. DUNE, Dune (Cryo), Dune (David Lynch film), Dune (Dune album), Dune (Jodorowsky film), Dune (Klaus Schulze album), Dune (L'Arc-en-Ciel album), Dune (band), Dune (board game), Dune (book), Dune (card game), Dune (comics), Dune (computer game), Dune (disambiguation), Dune (film), Dune (franchise), Dune (geology), Dune (novel), Dune (series), Dune (software), Dune (soundtrack), Dune (upcoming film), Dune (video game), Dune, The Dune (film), The Dune: Wikipedia, the Free Encyclopedia
16. Dune: Online Plain Text English Dictionary
17. dune: Webster's Revised Unabridged, 1913 Edition
18. dune: Rhymezone
19. Dune, dune (spec. vicino al mare): AllWords.com Multi-Lingual Dictionary
20. dune: Webster's 1828 Dictionary
21. dune: FreeDictionary.org
22. dune: Mnemonic Dictionary
23. dune: TheFreeDictionary.com
24. dune: Longman Dictionary of Contemporary English

Computing (1 matching dictionary)

25. dune: Encyclopedia

Miscellaneous (3 matching dictionaries)

26. baby names list (No longer online)
27. DUNE: Acronym Finder
28. AbbreviationZ (No longer online)

Science (3 matching dictionaries)

29. Archaeology Wordsmith (No longer online)
30. Botanical Terms (No longer online)
31. dune: Dictionary of Geology

Slang (1 matching dictionary)

32. Dune: Urban Dictionary

Tech (1 matching dictionary)

33. Lake and Water Word Glossary (No longer online)

(Note: See duneing as well.)

Definitions from Wiktionary ( ) ▸ noun:  (geomorphology) A ridge or hill of sand piled up by currents of wind or water. Similar: sand dune, sandhill, dunesand, riverdune, river dune, dunescape, dene, dunelet, dune buggy, backdune, more... Opposite: valley, depression, hollow, basin Types: barchan, transverse, star, linear, parabolic, seif, draa, nebkha, more... Phrases: sand dune, dune buggy, dune field, coastal dune, dune buggies, more... Adjectives: high, large, small, low, sand, coastal, big, next, primary, barchan, parabolic Colors:     sand,     beige,     tan,     khaki,     taupe, more... ▸ Word origin ▸ Words similar to dune ▸ Usage examples for dune ▸ Idioms related to dune ▸ Wikipedia articles (New!) ▸ Popular adjectives describing dune ▸ Words that often appear near dune ▸ Rhymes of dune ▸ Invented words related to dune