We found 22 dictionaries that define the word poseidon:

General (17 matching dictionaries)

1. poseidon: Longman Dictionary of Contemporary English
2. Poseidon, Poseidon: Merriam-Webster
3. Poseidon: Oxford Learner's Dictionaries
4. Poseidon: American Heritage Dictionary of the English Language
5. Poseidon: Collins English Dictionary
6. Poseidon: Vocabulary.com
7. Poseidon: Wordnik
8. Poseidon: Wiktionary
9. Poseidon: Webster's New World College Dictionary, 4th Ed.
10. Poseidon: The Wordsmyth English Dictionary-Thesaurus
11. Poseidon: Infoplease Dictionary
12. Poseidon: Dictionary.com
13. Poseidon (DC Comics), Poseidon (Saint Seiya), Poseidon (TV Series), Poseidon (TV series), Poseidon (album), Poseidon (disambiguation), Poseidon (fictional ship), Poseidon (film), Poseidon (horse), Poseidon (mythology), Poseidon (short story), Poseidon: Wikipedia, the Free Encyclopedia
14. Poseidon: Rhymezone
15. poseidon: FreeDictionary.org
16. poseidon: Mnemonic Dictionary
17. Poseidon: TheFreeDictionary.com

Art (1 matching dictionary)

18. Encyclopedia Mythica (No longer online)

Computing (1 matching dictionary)

19. Poseidon (mythology), Poseidon: Encyclopedia

Miscellaneous (1 matching dictionary)

20. Poseidon: Acronym Finder

Science (1 matching dictionary)

21. Poseidon: Extragalactic Astronomy

Slang (1 matching dictionary)

22. poseidon: Urban Dictionary

(Note: See poseidons as well.)

Definitions from Wiktionary (Poseidon) ▸ noun:  (Greek mythology) The god of the sea and other waters, earthquakes and horses; corresponds to the Roman god Neptune. Similar: Neptune, triton, Pontus, earthshaker, sea king, Oceanus, Olympian, Hades, Thaumas, Okeanos, more... Opposite: hades Phrases: poseidon distribution, Boeing P-8 Poseidon, Ice Poseidon, In the Wake of Poseidon, Trident of Poseidon, more... Adjectives: great, angry, greek, old, topex, polaris, pageant, mighty, haired, wild, gracious Colors:     sea blue,     teal,     turquoise,     aquamarine,     navy blue, more... ▸ Words similar to poseidon ▸ Usage examples for poseidon ▸ Idioms related to poseidon ▸ Wikipedia articles (New!) ▸ Popular adjectives describing poseidon ▸ Words that often appear near poseidon ▸ Rhymes of poseidon ▸ Invented words related to poseidon