a large aquatic animal resembling a serpent or a plesiosaurlike reptile, reported to have been seen in the waters of Loch Ness, Scotland, but not proved to exist.
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Cultural definitions for Loch Ness Monster
A gigantic, humped, dragonlike creature thought to inhabit the icy depths of Loch Ness, a lake in north-central Scotland. Periodic sightings of “Nessie” have been alleged since the early 1930s (though the legend of such a creature dates to the seventh century), but the monster remains elusive.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.