Poseidon

noun

Po·​sei·​don pə-ˈsī-dᵊn How to pronounce Poseidon (audio)
: the Greek god of the sea compare neptune

Examples of Poseidon in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Hermann and Hargitay were Zeus and Hera, naturally, while their kids appeared to be Poseidon (with the trident), Ares and Apollo. — Stephanie Sengwe, PEOPLE, 28 Aug. 2026 Her film career, meanwhile, included a supporting role in the smash hit The Poseidon Adventure (1972) and a maternal turn in the coming-of-age survival classic A Cry in the Wild (1990). — Maggie Fremont, Entertainment Weekly, 23 Aug. 2026 Northrop Grumman and Boeing have demonstrated enhanced interoperability between the MQ-4C Triton unmanned maritime surveillance aircraft and the P-8A Poseidon maritime patrol aircraft. — Prabhat Ranjan Mishra, Interesting Engineering, 10 Aug. 2026 Medusa is raped by Poseidon, but because Poseidon raped her in Athena’s temple, Athena takes it as an affront and blames Medusa, cursing her by turning her hair into snakes. — Erin Qualey, Vulture, 27 July 2026 See All Example Sentences for Poseidon

Word History

Etymology

Latin, from Greek Poseidōn

First Known Use

1811, in the meaning defined above

Time Traveler
The first known use of Poseidon was in 1811

Rhymes for Poseidon

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Browse Nearby Words

pose as
Poseidon
poser
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Cite this Entry

“Poseidon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Poseidon. Accessed 1 Sep. 2026.

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More from Merriam-Webster on Poseidon

Britannica.com: Encyclopedia article about Poseidon

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