Noun
Any large sea animal.
Source: Webster's dictionarysea-monster
After he happened upon the chained Andromeda, he approached Cetus while invisible (for he was wearing Hades's helm), and killed the sea monster. Source: Internet
Andromeda is depicted as being strong-willed and independent, whereas in the stories she is only really mentioned as being the princess whom Perseus saves from the sea monster. Source: Internet
City records as far back as 1609 document the use of a crude form of a sea monster with a female upper body and holding a sword in its claws. Source: Internet
He died in 210 BC, while on a trip to the far eastern reaches of his empire in an attempt to procure an elixir of immortality from Taoist magicians, who claimed the elixir was stuck on an island guarded by a sea monster. Source: Internet
In some variations of the story, Charybdis was simply a large whirlpool instead of a sea monster. Source: Internet
It’s a story that has struck people down through the ages, and was a popular artistic subject in early Christianity (Jonah either going into or coming out of a sea monster; or Jonah resting under his vine hut). Source: Internet