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

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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.
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 Eventually, Kate gets the job of informing Callum that the Russians do not have the Poseidon done. — Sophie Brookover, Vulture, 15 Oct. 2026 The ancient Greeks deemed tuna worthy of sacrifice to the gods and used them as offerings to Poseidon. — Torben Rick, The Conversation, 12 Oct. 2026 Its two solid-propellant stages eliminated complex pre-launch fueling and established an engineering foundation later developed through the Poseidon and Trident missile families. — Atharva Gosavi, Interesting Engineering, 19 Sep. 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 20 Oct. 2026.

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More from Merriam-Webster on Poseidon

Britannica.com: Encyclopedia article about Poseidon

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