plesiosaurus
/ˌpliːsiəˈsɔːrəs/
noun
- A large extinct marine reptile from the Mesozoic era, with a long neck, small head, and four flippers.
- Children often imagine a plesiosaurus when they hear stories about the Loch Ness Monster.
- The plesiosaurus swam through ancient oceans hunting fish and squid.
- Fossils of a plesiosaurus were discovered in a remote desert that was once underwater.