Oce·​anus ō-ˈsē-ə-nəs How to pronounce Oceanus (audio)
: a Titan who rules over a great river encircling the earth in Greek mythology

Word History


Latin Ōceanus, borrowed from Greek Ōkeanós, personification of Ōkeanós "the sea flowing around the land mass of the known world" — more at ocean

First Known Use

1567, in the meaning defined above

Time Traveler
The first known use of Oceanus was in 1567

Dictionary Entries Near Oceanus

Cite this Entry

“Oceanus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Oceanus. Accessed 30 Mar. 2023.

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