We found 24 dictionaries that define the word aer:

General (14 matching dictionaries)

1. aer-: Merriam-Webster
2. AER: Oxford Learner's Dictionaries
3. aer-: American Heritage Dictionary of the English Language
4. aer-, aer-: Collins English Dictionary
5. Aer, aer: Wordnik
6. Aer, aer-: Wiktionary
7. aer-: Webster's New World College Dictionary, 4th Ed.
8. aer-: Infoplease Dictionary
9. AER, aer-: Dictionary.com
10. AER (motorcycles), Aer (Sendai), Aer (album), Aer (band): Wikipedia, the Free Encyclopedia
11. aer, aer-: MyWord.info
12. AER: Stammtisch Beau Fleuve Acronyms
13. aer-: TheFreeDictionary.com
14. aer: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

15. aer-: A Cross Reference of Latin and Greek Elements

Business (2 matching dictionaries)

16. AER: Glossary of research economics
17. AER: Investopedia

Medicine (2 matching dictionaries)

18. Hepatitis C Information Central (No longer online)
19. aer(o)-, aer-: Medical dictionary

Miscellaneous (2 matching dictionaries)

20. AER: Acronym Finder
21. AbbreviationZ (No longer online)

Science (2 matching dictionaries)

22. aer: Dictionary of Botanical Epithets
23. Glossary of Roots of Botanical Names (No longer online)

Slang (1 matching dictionary)

24. aer: Urban Dictionary

Definitions from Wiktionary (Aer) ▸ noun:  A language of Pakistan. Similar: Paki, Pakiland, Pashayi, Pak., Seraiki, Lahori, yaar, Pakhto, Farsi, Dari Persian, more... Opposite: rea Phrases: e aer, Aer Lingus, Aer Lingus Regional, Aer Lingus UK, Aer Arann Islands, more... Adjectives: greek, latin, human, 4th, fit, late, cortical, irish, normal, atypical, visual Colors:     sky blue,     azure,     cerulean,     teal,     turquoise, more... ▸ Words similar to aer ▸ Usage examples for aer ▸ Idioms related to aer ▸ Wikipedia articles (New!) ▸ Popular adjectives describing aer ▸ Words that often appear near aer ▸ Rhymes of aer ▸ Invented words related to aer