Large aquatic animal supposed to resemble a serpent or plesiosaur of Loch Ness in Scotland. (synonym) Nessie
a very large animal which is supposed to live in Loch Ness, a large very deep lake in northern Scotland. Although some people say that they have seen the monster, its existence has never been proved, and for most people it is just a story. It is often shown in pictures as a creature like a long black or green dinosaur, and it is informally called Nessie
strange creature which according to legend has been seen in the waters of Scotland (1933)
large aquatic animal supposed to resemble a serpent or plesiosaur of Loch Ness in Scotland