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
ichthyosaurianplay \ˌik-thē-ə-ˈsȯr-ē-ən\ adjective or noun
Recent Examples of ichthyosaur from the Web
Just as convergent evolution caused ichthyosaurs and dolphins to look alike, the demands of the aviation industry have nudged aeronautical engineers toward maximum efficiency with little variation.
After its discovery by an archaeologist in the limestone banks of Sikanni Chief River, scientists initially decided that the nearly 75-foot-long ichthyosaur fossil was too big, too fragile, and too isolated to excavate.
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Origin and Etymology of ichthyosaur
ultimately from Greek ichthy- + sauros lizard
First Known Use: 1830See Words from the same year
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