sea monster

noun

plural sea monsters
: a mythical creature of usually immense size that lives underwater and is traditionally regarded as a threat to ships and mariners
All readers of Yeats will need this book; when they open it they will feel a surprise like that experienced by St. Brendan the Navigator and his crew when they disembarked upon an island that turned out to be the back of a dormant sea monster.Seamus Heaney

Word History

First Known Use

1568, in the meaning defined above

Time Traveler
The first known use of sea monster was in 1568

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Cite this Entry

“Sea monster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20monster. Accessed 20 Apr. 2025.

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