Rare term for Tyrannosaurus rex; more commonly referred to as ティラノサウルス・レックス or ティラノサウルス.
覇王竜は白亜紀末期に生息していた大型肉食恐竜である。
Tyrannosaurus rex was a large carnivorous dinosaur that lived at the end of the Cretaceous period.
Composed of 覇王 (supreme ruler) and 竜 (dragon/dinosaur), likely a calque or translation of 'tyrant lizard king'.