[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/plesiosaur/)

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# plesiosaur

noun (a plesiosaur, plesiosaurs)

«plesiosaur» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. A plesiosaur was a large sea reptile that lived at the time of the dinosaurs, with a broad body, four flippers and often a very long neck. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/plesiosaur/#m1)
2. Plesiosaurs are now extinct; we know them from fossils. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/plesiosaur/#m2)

### In the lessons

In science lessons on fossils and evolution, plesiosaur fossils are famous because Mary Anning found one of the first complete skeletons on the coast at Lyme Regis in England. Pupils learn that plesiosaurs were not dinosaurs but marine reptiles living at the same time. The Loch Ness Monster legend often shows a plesiosaur-like creature, but there is no evidence for it. Phrases: «plesiosaur fossil», «long-necked plesiosaur».

### Examples

- Mary Anning found a plesiosaur fossil on the beach. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/plesiosaur/#x1)
- A plesiosaur swam using four big flippers. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/plesiosaur/#x2)
- Plesiosaurs ate fish and squid. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/plesiosaur/#x3)
- The museum has a plesiosaur skeleton with a very long neck. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/plesiosaur/#x4)
- Plesiosaurs were reptiles, but not dinosaurs. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/plesiosaur/#x5)
- Some people say the Loch Ness Monster is a plesiosaur, but there is no proof. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/plesiosaur/#x6)

### Note

Say it "PLEE-zee-o-sor". Plural «plesiosaurs». Trap: not a dinosaur — dinosaurs lived on land. The name means "near lizard".

## On Mova

- [Trees and pragmatics of «plesiosaur» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/plesiosaur/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«plesiosaur» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/plesiosaur.html) on Mova free.

