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Webster 1913 Edition

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(hădˊrō̍-sa̤′rŭs)

Noun.

[NL., fr. Gr.

ἁδρόσ

thick +

σαῦροσ

lizard.]

(Paleon.)

An American herbivorous dinosaur of great size, allied to the iguanodon. It is found in the Cretaceous formation.