apatosaurus

4 definitions found

apatosaurus - Collaborative International Dictionary of English v.0.48 :

  Apatosaurus \Apatosaurus\ n.
     1. 1 a genus of extinct dinosaurs comprising the brontosaurs;
        apatosaurs.
  
     Syn: genus Apatosaurus.
          [WordNet 1.5]

  brontosaur \bron`to*saur"\, n. [NL., fr. Gr. bronth` thunder +
     say^ros lizard.] (Paleon.)
     a dinosaur of the genus Brontosaurus; an individual may
     also be called a brontosaurus or an apatosaurus.
     [PJC]

  Brontosaurus \Bron`to*sau"rus\, n. [NL., fr. Gr. bronth` thunder
     + say^ros lizard.] (Paleon.)
     A genus of large sauropod American dinosaurs of the jurassic
     era, or an individual of that genus. A length of sixty feet
     is believed to have been attained by these reptiles. The
     genus is also called Apatosaurus, and individuals of the
     genus are also called brontosaurs.
     [1913 Webster +PJC]

apatosaurus - WordNet (r) 2.1 (2005) :

  apatosaurus
      n 1: huge quadrupedal herbivorous dinosaur common in North
           America in the late Jurassic [syn: apatosaur,
           apatosaurus, brontosaur, brontosaurus, thunder lizard
           , Apatosaurus excelsus]