Hadrosauridae

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hadrosauridae \Hadrosauridae\ prop. n.
     A natural family of extinct reptiles including the
     duck-billed dinosaurs.
  
     Syn: family {Hadrosauridae}.
          [WordNet 1.5]



From WordNet (r) 2.0 [wn]:

  Hadrosauridae
       n : duck-billed dinosaurs; upper Cretaceous [syn: {family
           Hadrosauridae}]