We found 20 dictionaries that define the word academic year:

General (16 matching dictionaries)

1. academic year: Merriam-Webster
2. academic year: Oxford Learner's Dictionaries
3. academic year: Collins English Dictionary
4. academic year: Vocabulary.com
5. academic year: Wiktionary
6. academic year: Infoplease Dictionary
7. academic year: Dictionary.com
8. Academic year: Wikipedia, the Free Encyclopedia
9. academic year: Rhymezone
10. academic year: FreeDictionary.org
11. academic year: Mnemonic Dictionary
12. academic year: TheFreeDictionary.com
13. academic year: Longman Dictionary of Contemporary English
14. academic year: Merriam-Webster

Business (1 matching dictionary)

15. Academic Year: Legal dictionary

Computing (1 matching dictionary)

16. academic year: Encyclopedia

Medicine (1 matching dictionary)

17. online medical dictionary (No longer online)

Science (1 matching dictionary)

18. How Many? A Dictionary of Units of Measurement (No longer online)

(Note: See academic_years as well.)

Definitions from Wiktionary (academic year) ▸ noun:  (education) The annual period during which a student attends school, college or university. Similar: school year, school, year, school age, school class, class, accounting year, season, academy, schoolday, more... Opposite: calendar year, fiscal year, financial year ▸ Words similar to academic year ▸ Usage examples for academic year ▸ Idioms related to academic year ▸ Wikipedia articles (New!) ▸ Words that often appear near academic year ▸ Rhymes of academic year ▸ Invented words related to academic year