We found 28 dictionaries that define the word aux:

General (12 matching dictionaries)

1. aux: Merriam-Webster
2. aux: American Heritage Dictionary of the English Language
3. Aux, aux: Wordnik
4. aux: Wiktionary
5. aux: Webster's New World College Dictionary, 4th Ed.
6. aux: The Wordsmyth English Dictionary-Thesaurus
7. AUX, aux, aux-: Dictionary.com
8. AUX, Aux: Wikipedia, the Free Encyclopedia
9. Aux, aux: Stammtisch Beau Fleuve Acronyms
10. aux: TheFreeDictionary.com
11. aux: Longman Dictionary of Contemporary English
12. aux: Merriam-Webster

Art (2 matching dictionaries)

13. aux-: A Cross Reference of Latin and Greek Elements
14. AUX: Lexicon of Linguistics

Business (1 matching dictionary)

15. Glossary of Trade and Shipping Terms (No longer online)

Computing (5 matching dictionaries)

16. AUX: CCI Computer
17. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)
18. Webopedia (No longer online)
19. I T Glossary (No longer online)
20. AUX: Encyclopedia

Medicine (4 matching dictionaries)

21. aux: Merriam-Webster Medical Dictionary
22. Aux-: MedTerms.com Medical Dictionary
23. aux-: Medical dictionary
24. Aux-: Drug Medical Dictionary

Miscellaneous (2 matching dictionaries)

25. AUX: Acronym Finder
26. AbbreviationZ (No longer online)

Tech (2 matching dictionaries)

27. AUTOMOTIVE TERMS (No longer online)
28. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

Definitions from Wiktionary (Aux) ▸ adjective:  Abbreviation of auxiliary. [Helping; giving assistance or support.] Similar: leur, avec, votre, dan, quatre, sur, Les, vou, des, deux, more... Opposite: main, primary, central, core Types: bluetooth, cassette, cd, dvd, 8-track, more... Phrases: Aux Cayes, aux send, pointe aux trembles, L'Anse aux Meadows, lanse aux meadows, more... Adjectives: subject, relative, pre, quant, modal, auxiliary, reflexive, applicable, neg, due, present ▸ Words similar to aux ▸ Usage examples for aux ▸ Idioms related to aux ▸ Wikipedia articles (New!) ▸ Popular nouns described by aux ▸ Words that often appear near aux ▸ Rhymes of aux ▸ Invented words related to aux