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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In a constellation of Los Angeles tacos, the Poseidon, like the entirety of the Evil Cooks experience, is one of one. Jenn Harris, Los Angeles Times, 5 Mar. 2026 Based on a commercial Boeing 737 airframe, the twin-engine Navy jets, named Poseidon, are used for anti-submarine warfare as well as intelligence, surveillance and reconnaissance. Brad Lendon, CNN Money, 2 Mar. 2026 The booms from the ice cracking sounded like a chorus of slamming doors, as if Poseidon had hundreds of surly teenagers living underwater with him. Robert Annis, Outside, 24 Feb. 2026 The broader package includes Boeing P8I Poseidon reconnaissance aircraft for its navy, anti-tank mines for its ground forces, and upgrades to its Soviet-era T-72 tanks and BMP-2 infantry fighting vehicles. Lim Hui Jie, CNBC, 13 Feb. 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 12 Mar. 2026.

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