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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Course distances are 3K and 5K and registration includes food by Poseidon, cold beer from Viewpoint Brewing, ice cream for everyone by Saffron & Rose and live music from Dos Echos. Ut Community Press, San Diego Union-Tribune, 2 Dec. 2025 Tensions nearly led to conflict, until Percy’s father, Poseidon, intervened, leading to a brief but meaningful father-son moment before Percy returned to Camp Half-Blood. Jordana Comiter, PEOPLE, 29 Nov. 2025 The New Chapter is based on the firm's Poseidon model. New Atlas, 23 Nov. 2025 Poseidon Poseidon, also known as Status-6, is one of the most powerful and controversial autonomous underwater systems ever built. Atharva Gosavi, Interesting Engineering, 21 Nov. 2025 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 Dec. 2025.

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