sea serpent

American  

noun

1. an enormous, imaginary, snakelike or dragonlike marine animal.

2. Astronomy. Sea Serpent, the constellation Hydra.

---

sea serpent British  

noun

1. a huge legendary creature of the sea resembling a snake or dragon

---

Etymology

Origin of sea serpent

First recorded in 1640–50

Example Sentences

Stan Freberg performed Cecil the Seasick Sea Serpent, a kind of rambunctious aquatic cousin to Tillstrom’s Ollie, “300 years old” and “35 feet, 3 inches in my underwear.”

From Los Angeles Times • Feb. 19, 2021

And then it was dubbed Cecil the Seasick Sea Serpent, not only because of its long, subtly curving fuselage and odd little canard wing, but because of its unenviable test record.

From Time Magazine Archive

The daughter of the Great Sea Serpent was waiting anxiously for the return of the slaves with the bag full of night.

From Fairy Tales from Brazil How and Why Tales from Brazilian Folk-Lore by Eells, Elsie Spicer

And then, all of a sudden, it opened and there stood a great Sea Serpent.

From The Iceberg Express by Cory, David

Thou hast searched the face of the sea, and our brother has dragged its depths, and nowhere have ye seen the Sea Serpent.

From The King of Schnorrers Grotesques and Fantasies by Zangwill, Israel