Acrocanthosaurus

== Translingual == === Etymology === From Ancient Greek ἄκρος (ákros, “high”) Ancient Greek ἄκανθος (ákanthos, “spine, thorn”) + Ancient Greek σαῦρος (saûros, “lizard”), referring to the tall spines on its back. === Proper noun === Acrocanthosaurus m A taxonomic genus within the clade Saurischia – an allosauroid dinosaur from the Cretaceous of the United States.