Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
pledgor
-plegia
Pleiades
plein-air
pleio-
Pleiocene
pleiotropism
Pleistocene
plena (1)
plena (2)
plenary
plenary indulgence
plenipotentiary
plenitude
plenteous
plentiful
plenty
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

plesiosaur

ple·si·o·saur [ plssee ə sàwr, plzee ə sàwr ] (plural ple·si·o·saurs)


noun 
Definition:
 
extinct ocean reptile: an extinct ocean reptile of the Mesozoic era with limbs like paddles, a large flattened body, and a short tail. Suborder Sauropterygia.

[Mid-19th century. < modern Latin Plesiosaurus< Greek plēsios "near" + sauros "lizard"]
Advertisement

© 2009 Microsoft