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Definition of hadrosaur noun from the Oxford Advanced Learner's Dictionary

hadrosaur

noun
 
/ˈhædrəsɔː(r)/
 
/ˈhædrəsɔːr/
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  1. a large dinosaur with flat jaws like a duck's
    Word Originlate 19th cent.: from modern Latin Hadrosaurus (genus name), from Greek hadros ‘thick, stout’ + sauros ‘lizard’.
See hadrosaur in the Oxford Advanced American Dictionary
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trait
noun
 
 
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