follow Dictionary.com

What does Boxing Day have to do with boxing?

plesiosaur

[plee-see-uh-sawr] /ˈpli si əˌsɔr/
noun
1.
any marine reptile of the extinct genus Plesiosaurus, from the Jurassic and Cretaceous periods, having a small head, a long neck, four paddlelike limbs, and a short tail.
Origin
< New Latin Plesiosaurus (1821), equivalent to Greek plēsí(os) near, close to + -o- -o- + saûros -saur; orig. so named because of its conjectured nearness to modern reptiles, relative to the ichthyosaurs
Related forms
plesiosauroid, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for plesiosaur
  • One photograph appeared to show the head, neck and upper torso of a plesiosaur.
  • They constructed an animatronic model of a plesiosaur, and dubbed it lucy.
British Dictionary definitions for plesiosaur

plesiosaur

/ˈpliːsɪəˌsɔː/
noun
1.
any of various extinct marine reptiles of the order Sauropterygia, esp any of the suborder Plesiosauria, of Jurassic and Cretaceous times, having a long neck, short tail, and paddle-like limbs See also ichthyosaur Compare dinosaur, pterosaur
Word Origin
C19: from New Latin plēsiosaurus, from Greek plēsios near + sauros a lizard
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
Cite This Source
plesiosaur in Science
plesiosaur
  (plē'sē-ə-sôr')   
Any of various large, extinct marine reptiles of the genus Plesiosaurus and related genera of the Mesozoic Era. Most plesiosaurs had a small head on a long neck and a broad body with paddlelike limbs; one group had a large head on a short neck. The exact relationship between plesiosaurs and other reptiles is not known.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Encyclopedia Article for plesiosaur

any of a group of long-necked marine reptiles found as fossils from the Late Triassic Period into the Late Cretaceous Period (215 million to 80 million years ago). Plesiosaurs had a wide distribution in European seas and around the Pacific Ocean, including Australia, North America, and Asia. Some forms known from North America and elsewhere persisted until near the end of the Cretaceous Period (65 million years ago).

Learn more about plesiosaur with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for plesiosaur

Few English speakers likely know this word

Word Value for plesiosaur

0
15
Scrabble Words With Friends