ich·​thyo·​saur | \ ˈik-thē-ə-ˌsȯr How to pronounce ichthyosaur (audio) \

Definition of ichthyosaur

: any of an order (Ichthyosauria) of extinct marine reptiles of the Mesozoic specialized for aquatic life by a streamlined body with a long snout, limbs reduced to small fins for steering, and a large lunate caudal fin

Other Words from ichthyosaur

ichthyosaurian \ ˌik-​thē-​ə-​ˈsȯr-​ē-​ən How to pronounce ichthyosaur (audio) \ adjective or noun

Examples of ichthyosaur in a Sentence

Recent Examples on the Web The process also will help determine the specific species of ichthyosaur found, according to the release. Jordan Miller, The Salt Lake Tribune, 7 Oct. 2021 Thalassodraco etchesi is also unusually small for an ichthyosaur, some of which have skulls longer than Thalassodraco’s entire body, per CNN. Alex Fox, Smithsonian Magazine, 17 Dec. 2020 Included in the aquarium-like display will be an ichthyosaur, with its 9-inch eyes, and devils' toenails, which were oysters that lived in shallow waters. Domenica Bongiovanni, The Indianapolis Star, 20 Oct. 2020 The ichthyosaur might have scavenged the carcass of a thalattosaur that died by other means. Jason Bittel, National Geographic, 20 Aug. 2020 At first glance, the ichthyosaur didn't look like a major predator. Ashley Strickland, CNN, 20 Aug. 2020 Around 240 million years ago, the same may have been true for the ichthyosaur. Alex Fox, Smithsonian Magazine, 24 Aug. 2020 Instead, they were still attached to the torso within the ichthyosaur's stomach. Ashley Strickland, CNN, 20 Aug. 2020 The ichthyosaur is of the genus Guizhouichthyosaurus and would have looked something like a large dolphin with long slender jaws. Alex Fox, Smithsonian Magazine, 24 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ichthyosaur.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ichthyosaur

1830, in the meaning defined above

History and Etymology for ichthyosaur

ultimately from Greek ichthy- + sauros lizard

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The first known use of ichthyosaur was in 1830

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Last Updated

12 Oct 2021

Cite this Entry

“Ichthyosaur.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ichthyosaur. Accessed 6 Dec. 2021.

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More from Merriam-Webster on ichthyosaur

Britannica.com: Encyclopedia article about ichthyosaur


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