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 fact, Zeus is actually about to kill Percy, until Poseidon steps in to save his son's life by surrendering to Zeus. EW.com, 22 July 2025 Shortly after the Poseidon's passage, a U.S. Navy MQ-4C Triton high-altitude, long-endurance drone also appeared to enter the strait, taking a route around Taiwan's southern tip. Micah McCartney, MSNBC Newsweek, 17 July 2025 Over 17 hours were spent imaging the deep sky objects with a Sky-Watcher Esprit 80mm telescope with a Player One Poseidon M pro astrophotography camera, using a range of filters and peripherals. Anthony Wood, Space.com, 16 July 2025 Since so much rides on these proofs, the Ethereum Foundation decided to test their security by offering a bounty to anyone who could attack Fiat-Shamir for any proof protocol of their choice, using a popular hash function called Poseidon. Erica Klarreich, Quanta Magazine, 9 July 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 29 Jul. 2025.

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