Tyrannosaurus regina

== English == === Alternative forms === Tyrannosaurus Regina, tyrannosaurus regina Tyrannosaura regina, Tyrannosaura Regina === Etymology === By replacing rex (Latin rēx (“king”)) of Tyrannosaurus rex with Latin rēgīna (“queen”). === Proper noun === Tyrannosaurus regina (often humorous and figurative) The female of the species Tyrannosaurus rex. (humorous, capitalized) Used as a name. === Noun === Tyrannosaurus regina (plural Tyrannosaurus reginas) (often humorous and figurative) A female Tyrannosaurus rex.