Definition of plesiosaur
: any of an order or suborder (Plesiosauria) of large carnivorous marine reptiles of the Mesozoic with dorsoventrally flattened bodies and limbs modified into flippers
Origin of plesiosaur
ultimately from Greek plēsios close (akin to Greek pelas near) + sauros lizard
First Known Use: 1839
Rhymes with plesiosaur
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, ichthyosaur, insectivore, legislator, mixed metaphor, national seashore, revolving door, San Salvador, toreador, tyrannosaur, Ulaanbaatar
Learn More about plesiosaur
Britannica.com: Encyclopedia article about "plesiosaur"
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