We found 17 dictionaries that define the word ACAS:

General (9 matching dictionaries)

1. ACAS: Oxford Learner's Dictionaries
2. ACAS: Collins English Dictionary
3. Acas: Wordnik
4. ACAS, ACAs: Wiktionary
5. ACAS: Dictionary.com
6. ACAS (disambiguation), ACAS, Acas: Wikipedia, the Free Encyclopedia
7. ACAS: Stammtisch Beau Fleuve Acronyms
8. ACAS: TheFreeDictionary.com
9. acas: Longman Dictionary of Contemporary English

Business (3 matching dictionaries)

10. ACAS: bizterms.net
11. Glossary of Trade and Shipping Terms (No longer online)
12. Accounting, Business Studies and Economics Dictionary (No longer online)

Computing (1 matching dictionary)

13. ACAS: Encyclopedia

Medicine (1 matching dictionary)

14. ACAS: Medical dictionary

Miscellaneous (2 matching dictionaries)

15. ACAS: Acronym Finder
16. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

17. acas: Urban Dictionary

Definitions from Wiktionary (ACAS) ▸ noun:  (British) Advisory, Conciliation and Arbitration Service ▸ noun:  (aviation) Acronym of airborne collision avoidance system. Similar: Acoba, AGCAS, acca, AABC, ASBCA, APACS, ACARS, RAAC, A.A.C.C.A., AAIB, more... Types: cat, lion, tiger, leopard, jaguar, cheetah, puma, lynx, more... ▸ Words similar to ACAS ▸ Usage examples for ACAS ▸ Idioms related to ACAS ▸ Wikipedia articles (New!) ▸ Popular adjectives describing ACAS ▸ Words that often appear near ACAS ▸ Rhymes of ACAS ▸ Invented words related to ACAS