ichthyosaurus

noun

ich·​thyo·​sau·​rus

-rəs

1

capitalized : the type genus of Ichthyosauridae comprising highly variable Jurassic ichthyosaurs and originally including most of the later ichthyosaurs most of which are now placed in other genera

2

plural -es : any reptile of the genus Ichthyosaurus

Word History

Etymology

New Latin, from ichthy- + -saurus

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