We found 15 dictionaries that define the word tail fin:

General (12 matching dictionaries)

1. tail fin: Merriam-Webster
2. tail fin: Oxford Learner's Dictionaries
3. tail fin: American Heritage Dictionary of the English Language
4. tail fin: Vocabulary.com
5. tail-fin: Wordnik
6. tail fin: Wiktionary
7. tail fin: Dictionary.com
8. Tail fin: Wikipedia, the Free Encyclopedia
9. tail fin: Rhymezone
10. tail fin: FreeDictionary.org
11. tail fin: Mnemonic Dictionary
12. tail fin: TheFreeDictionary.com

Computing (1 matching dictionary)

13. tail fin: Encyclopedia

Sports (1 matching dictionary)

14. Hickok Sports Glossaries (No longer online)

Tech (1 matching dictionary)

15. AUTOMOTIVE TERMS (No longer online)

(Note: See tail_fins as well.)

Definitions from Wiktionary (Tail fin) ▸ noun:  Alternative spelling of tailfin [A fin at the tail of a fish, caudal fin] Similar: tailfin, fin, caudal fin, vertical stabilizer, vertical fin, sharkfin, shark-fin, tail lamp, swimfin, tail-end, more... Types: dorsal, caudal, pectoral, pelvic, anal, more... ▸ Words similar to tail fin ▸ Usage examples for tail fin ▸ Idioms related to tail fin ▸ Wikipedia articles (New!) ▸ Words that often appear near tail fin ▸ Rhymes of tail fin ▸ Invented words related to tail fin