D defs.my
Entry 1 sense Webster, 1913

Hadrosaurus

/(hăd`rō̇*sa̤"rŭs)/ · Had·ro·sau·rus · IPA
01 n. An American herbivorous dinosaur of great size, allied to the iguanodon. It is found in the Cretaceous formation.
  1. 1.
    An American herbivorous dinosaur of great size, allied to the iguanodon. It is found in the Cretaceous formation.(Paleon.)