plesiosaur

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Definitions from WordNet

Noun plesiosaur has 1 sense

plesiosaur, plesiosaurus - extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
--₁ is a kind of archosaur, archosaurian, archosaurian reptile
--₁ is a member of genus Plesiosaurus

Definitions from the Web

plesiosaur

Noun:

A plesiosaur is an extinct marine reptile of the Mesozoic era, characterized by a long, slender neck, a small head, and a broad, turtle-like body.

Example sentences:

1. The plesiosaur fossils discovered by the paleontologists provided valuable information about life in the ancient seas.

2. The plesiosaur swam gracefully through the water, hunting for its prey.

3. The museum displayed a well-preserved skeleton of a plesiosaur, attracting many visitors.

Adjective:

Describing something related to plesiosaurs.

Example sentences:

1. The plesiosaur bones found along the shore indicated that the area was once inhabited by these ancient reptiles.

2. The plesiosaur fossil is on display in the museum's paleontology section.

3. The researchers are studying the plesiosaur anatomy to understand its unique swimming style.