01 n. An extinct, long-necked, marine, cretaceous reptile from Kansas, allied to Plesiosaurus.
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1.
An extinct, long-necked, marine, cretaceous reptile from Kansas, allied to Plesiosaurus.(Paleon.)
Entry
1 sense
Webster, 1913
Elasmosaurus
· E·las·mo·sau·rus
· IPA