noun · rare

plesiosaurus

plesiosaurus · plesiosauruses · plesiosauri

Any of the genus †Plesiosaurus of extinct long-necked marine reptiles from the Early…Any of the genus †Plesiosaurus of extinct long-necked marine reptiles from the Early Jurassic.

» Plesiosaurus saw a few steamboats and there was no end to his madness.

Meaning

1 senses

Any of the genus †Plesiosaurus of extinct long-necked marine reptiles from the Early Jurassic.
extinct marine reptile with a small head on a long neck and a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous

Examples

1 sentences

Plesiosaurus saw a few steamboats and there was no end to his madness.
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Forms

plural: plesiosauruses / plesiosauri

Singular	plesiosaurus
Plural	plesiosauruses / plesiosauri

regular

Synonyms

1 synonyms

Close in meaning

extinct marine reptile with a small head on a long neck and a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous:plesiosaur

Lessons for this word

1 lessons

A1Plural nouns — Because its plural is irregular