We found 21 dictionaries that define the word swan song:

General (18 matching dictionaries)

1. swan song: Merriam-Webster
2. swan song: Oxford Learner's Dictionaries
3. swan song: American Heritage Dictionary of the English Language
4. swan song: Collins English Dictionary
5. swan song: Vocabulary.com
6. swan-song: Wordnik
7. swan song: Wiktionary
8. swan song: The Wordsmyth English Dictionary-Thesaurus
9. swan song: Infoplease Dictionary
10. swan song: Dictionary.com
11. Swan Song (Columbo), Swan Song (Glee), Swan Song (McCammon novel), Swan Song (Once Upon a Time), Swan Song (Supernatural), Swan Song (novel), Swan Song (song), Swan Song, Swan song (disambiguation), Swan song: Wikipedia, the Free Encyclopedia
12. swan song: Rhymezone
13. swan song: FreeDictionary.org
14. swan song: Mnemonic Dictionary
15. swan song: TheFreeDictionary.com
16. Swan song: World Wide Words
17. Swan song: Phrase Finder

Computing (1 matching dictionary)

18. Swan Song (disambiguation), Swan-song, swan song: Encyclopedia

Miscellaneous (1 matching dictionary)

19. swan song: Idioms

Science (1 matching dictionary)

20. Bird On! (No longer online)

(Note: See swan_songs as well.)

Definitions from Wiktionary (swan song) ▸ noun:  (idiomatic) A final performance or accomplishment, especially one before retirement. Similar: finale, grand finale, swan, pièce de résistance, famous last words, capstone, coup de grâce, high note, fare thee well, endgame, more... Phrases: Swan Song Records, more... Adjectives: down to the wire, wind-up, close, endgame, fine, endwise, final, head, period, terminal, ended ▸ Words similar to swan song ▸ Usage examples for swan song ▸ Idioms related to swan song ▸ Wikipedia articles (New!) ▸ Words that often appear near swan song ▸ Rhymes of swan song ▸ Invented words related to swan song