- an enormous, imaginary, snakelike or dragonlike marine animal.
- (initial capital letters) Astronomy. the constellation Hydra.
Origin of sea serpent
First recorded in 1640–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sea serpent
It certainly looked as much like a sea-serpent as any thing yet.Left on Labrador
Charles Asbury Stephens
Well, it do seem likely,” said Tom; “but I never could swallow the sea-serpent.The Golden Magnet
George Manville Fenn
The sailors with one accord agreed that it was the work of a sea-serpent.Great Pirate Stories
How many times have horse-mackerels been taken for the sea-serpent!The Professor at the Breakfast Table
Oliver Wendell Holmes (Sr.)
Take, for instance, the wide-spread legend of the sea-serpent.
- a huge legendary creature of the sea resembling a snake or dragon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012