Pliosaurus

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pliosaurus \Pli`o*sau"rus\, n. [NL., from Gr. ? greater + ?
     lizard.] (Paleon.)
     An extinct genus of marine reptiles allied to Plesiosaurus,
     but having a much shorter neck.
     [1913 Webster]