ichthyosaurEnglishOxford Dictionary of Englishichthyosaur /ˈɪkθiəsɔː / (ichthyosaurus /ˌɪkθɪəˈsɔːrəs/) ▸ noun a fossil marine reptile of the Mesozoic era, resembling a dolphin with a long pointed head, four flippers, and a vertical tail. Order Ichthyosauria, subclass Diapsida: numerous genera, including Ichthyosaurus. – DERIVATIVES ichthyosaurian adjective– ORIGIN mid 19th century: from ichthyo- ‘fish’ + Greek sauros ‘lizard’.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
