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
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While Baia di Sorgeto feels blissfully under the radar, other hot springs on the island—such as Negombo and Giardini Poseidon—are more popular and, chances are, far more crowded. Nicky Swallow, Travel + Leisure, 17 May 2026 Poseidon’s Fury was on closure watch for years before finally being shut down for good in 2023. Dewayne Bevil, The Orlando Sentinel, 13 May 2026 The Poseidon is designed to explode near enemy coastlines and cause a radioactive tsunami. Los Angeles Times, 12 May 2026 Most of the flights were by P-8A Poseidon maritime patrol aircraft, which are designed for surveillance and reconnaissance, while some were by an RC-135V Rivet Joint, which specializes in signals intelligence gathering. Avery Schmitz, CNN Money, 10 May 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

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Cite this Entry

“Poseidon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Poseidon. Accessed 21 May. 2026.

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