allosaur /ˌæləˈsɔːrəs/ (also allosaurus)

• 1. 

  N any large carnivorous bipedal dinosaur of the genus Antrodemus (formerly Allosaurus), common in North America in late Jurassic times: suborder Theropoda (theropods) 异龙; 侏罗纪时代常见于北美地区的大型食肉恐龙