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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Lately, he’s been taken with his school’s unit on Greek mythology, imagining his own father as mighty Poseidon taking to the skies with trusty Pegasus. Angie Han, HollywoodReporter, 30 Jan. 2026 Percy Jackson and the Olympians follows Percy (Walker Scobell), the demigod son of Poseidon whom Zeus accuses of stealing his Master Bolt. Wesley Stenzel, Entertainment Weekly, 26 Jan. 2026 Helicopters have limited flight time, and even long-range manned aircraft like the P-8A Poseidon can only remain on station for about four hours. Sujita Sinha, Interesting Engineering, 19 Jan. 2026 Helicopters don't have much endurance and crewed aircraft like the P-8A Poseidon, despite their long range, can only manage about four hours on station. New Atlas, 18 Jan. 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 3 Feb. 2026.

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