Word Study
elasmosaurus
CIDE DICTIONARY
elasmosaurus, n. [NL., fr. Gr. a metal plate + a lizard.].
An extinct, long-necked, marine, cretaceous reptile from Kansas, allied to Plesiosaurus. [1913 Webster]
OXFORD DICTIONARY
elasmosaurus, n. a large extinct marine reptile with paddle-like limbs and tough crocodile-like skin.
Etymology
mod.L f. Gk elasmos beaten metal + sauros lizard
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