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
Origin of ichthyosaur
ultimately from Greek ichthy- + sauros lizard
First Known Use: 1830
Rhymes with ichthyosaur
air commodore, alienor, ambassador, ankylosaur, brachiosaur, conquistador, conservator, convenience store, Corregidor, department store, El Salvador, esprit de corps, foot in the door, forevermore, go to bat for, have it in for, hereinbefore, hold a brief for, insectivore, legislator, mixed metaphor, national seashore, plesiosaur, revolving door, San Salvador, toreador, tyrannosaur, Ulaanbaatar
Learn More about ichthyosaur
Britannica.com: Encyclopedia article about "ichthyosaur"
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