We found 22 dictionaries that define the word assn:

General (17 matching dictionaries)

1. assn: Merriam-Webster
2. assn: Oxford Learner's Dictionaries
3. assn: American Heritage Dictionary of the English Language
4. assn: Collins English Dictionary
5. Ass'n, Assn, assn: Wordnik
6. assn: Cambridge Advanced Learner's Dictionary
7. Ass'n, ass'n, assn: Wiktionary
8. assn: Webster's New World College Dictionary, 4th Ed.
9. assn: The Wordsmyth English Dictionary-Thesaurus
10. assn: Infoplease Dictionary
11. assn, assn: Dictionary.com
12. Assn: Wikipedia, the Free Encyclopedia
13. assn, assn: TheFreeDictionary.com
14. assn: Longman Dictionary of Contemporary English
15. assn: Merriam-Webster

Business (1 matching dictionary)

16. Assn: Legal dictionary

Medicine (1 matching dictionary)

17. assn: Merriam-Webster Medical Dictionary

Miscellaneous (2 matching dictionaries)

18. ASSN: Acronym Finder
19. AbbreviationZ (No longer online)

Tech (1 matching dictionary)

20. Assn: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING

Definitions from Wiktionary ( ) ▸ noun:  Abbreviation of association. [(uncountable) The act of associating.] Similar: Assoc., Assoc, org., asso, bldg, commn, associa, corp., Exec., org, more... Opposite: dissociation, disassociation, separation, disconnection Adjectives: operative, accredited, dietetic, american, historical, courtesy, cooperative, special, present, ama, lndian ▸ Words similar to assn ▸ Usage examples for assn ▸ Idioms related to assn ▸ Wikipedia articles (New!) ▸ Popular adjectives describing assn ▸ Words that often appear near assn ▸ Rhymes of assn ▸ Invented words related to assn