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.
In the scene, Odysseus and his men enter a cave filled with cheese and sheep, only to discover it is the home of Polyphemus, the son of Poseidon. — Jazz Tangcay, Variety, 22 Oct. 2026 Poseidon also nods to luxe sports cars in its design, thanks to details like side air intakes and its streamlined aluminum superstructure. — Nicole Hoey, Robb Report, 21 Oct. 2026 Yet the greatest of these monsters is Poseidon himself, the great disruptor, the earth-shaker and master of the stormy seas. — Jeff Degraff, Fortune, 17 Oct. 2026 Grace makes increasingly erratic decisions in the wake of her near-death experience, culminating in a move to send unauthorized war ships into British sovereign waters to prevent Russia from discovering that the Poseidon is gone. — Emma Banks, PEOPLE, 17 Oct. 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 27 Oct. 2026.

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More from Merriam-Webster on Poseidon

Britannica.com: Encyclopedia article about Poseidon

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