coelurosaur

coe lur o saur |siˈlo͝orəˌsôr, sē -sɪˈljʊərəsɔːr |(also coelurosaurus |siˌlo͝orəˈsôrəs, sē -|) ▶noun a small, slender, bipedal, carnivorous dinosaur with long forelimbs, from which the birds are believed to have evolved. [Infraorder Coelurosauria, suborder Theropoda, order Saurischia: many genera. ] DERIVATIVES coe lur o sau ri an |-ˌlo͝orəˈsôrēən |adjective ORIGIN 1950s: from Greek koilos ‘hollow ’ + oura ‘tail ’ + sauros ‘lizard. ’

coelurosaur

coelurosaur |sɪˈljʊərəsɔː | ▶noun a small, slender bipedal carnivorous dinosaur with long forelimbs, believed to be an evolutionary ancestor of birds. ●Infraorder Coelurosauria, suborder Theropoda, order Saurischia: many genera. ORIGIN 1950s: from Greek koilos ‘hollow ’ + oura ‘tail ’ + sauros ‘lizard ’.