We found 25 dictionaries that define the word airfoil:

General (18 matching dictionaries)

1. airfoil: Merriam-Webster
2. airfoil: Oxford Learner's Dictionaries
3. airfoil: American Heritage Dictionary of the English Language
4. airfoil: Collins English Dictionary
5. airfoil: Vocabulary.com
6. Airfoil, airfoil: Wordnik
7. airfoil: Wiktionary
8. airfoil: Webster's New World College Dictionary, 4th Ed.
9. airfoil: The Wordsmyth English Dictionary-Thesaurus
10. airfoil: Infoplease Dictionary
11. airfoil: Dictionary.com
12. Airfoil: Wikipedia, the Free Encyclopedia
13. airfoil: Rhymezone
14. airfoil: FreeDictionary.org
15. airfoil: Mnemonic Dictionary
16. airfoil: TheFreeDictionary.com
17. airfoil: Merriam-Webster

Business (1 matching dictionary)

18. airfoil: Legal dictionary

Computing (1 matching dictionary)

19. airfoil: Encyclopedia

Medicine (1 matching dictionary)

20. airfoil: Medical dictionary

Science (1 matching dictionary)

21. Airfoil: Eric Weisstein's World of Physics

Sports (1 matching dictionary)

22. Airfoil: Sports Definitions

Tech (2 matching dictionaries)

23. Explosives (No longer online)
24. SeaTalk Dictionary of English Nautical Language (No longer online)

(Note: See airfoils as well.)

Definitions from Wiktionary ( ) ▸ noun:  A structure shaped to produce lift when moving in air. ▸ noun:  A wing of an aircraft. Similar: control surface, aerofoil, surface, plane, wing, airflow, aeroplane, lift, hydrofoil, aircraft, more... Opposite: wing, flat surface Types: symmetrical, asymmetrical, airplane wing, airfoil section, airfoil shape, more... Phrases: airfoil section, Supercritical airfoil, NACA airfoil, Clark Y airfoil, more... Adjectives: thin, symmetrical, cambered, supercritical, dimensional, symmetric, thick, typical, auxiliary, oscillating, isolated Colors:     silver,     white,     gray,     blue,     sky blue, more... ▸ Words similar to airfoil ▸ Usage examples for airfoil ▸ Idioms related to airfoil ▸ Wikipedia articles (New!) ▸ Popular adjectives describing airfoil ▸ Words that often appear near airfoil ▸ Rhymes of airfoil ▸ Invented words related to airfoil