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mosasaur

American  
[moh-suh-sawr] / ˈmoʊ səˌsɔr /

noun

  1. any of several extinct carnivorous marine lizards from the Cretaceous Period, having the limbs modified into broad, webbed paddles.


mosasaur British  
/ ˌməʊsəˈsɔːrəs, ˈməʊsəˌsɔː /

noun

  1. any of various extinct Cretaceous giant marine lizards of the genus Mosasaurus and related genera, typically having paddle-like limbs

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

mosasaur Scientific  
/ mōsə-sôr′ /
  1. Any of various medium-sized to large extinct aquatic lizards of the family Mosasauridae of the Cretaceous Period, having modified limbs that served as paddles for swimming. Some species reached lengths of over 15 meters (50 feet).


Etymology

Origin of mosasaur

< New Latin Mosasaurus (1823) genus name, equivalent to Latin Mosa the Meuse river (where a species was first discovered) + New Latin -saurus -saur

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Skeletal replicas of the terrifying mosasaur, a Komodo Dragon relative with a six-foot jaw; the saber-toothed salmon; and other extinct species greet visitors in the museum’s entrance hall.

From The Wall Street Journal

Megapterygius means "large winged" in keeping with the mosasaur's enormous flippers.

From Science Daily

The specimen is the most complete skeleton of a mosasaur ever found in Japan or the northwestern Pacific, Konishi said.

From Science Daily

Researchers have described a Japanese mosasaur the size of a great white shark that terrorized Pacific seas 72 million years ago.

From Science Daily

University of Cincinnati Associate Professor Takuya Konishi and his international co-authors described the mosasaur and placed it in a taxonomic context in the Journal of Systematic Palaeontology.

From Science Daily