In grammar a supine's a form of verbal noun used in some languages. In Latin In Latin there're two supines, I and II. They're originally the accusative and dative or ablative forms of verbal noun in the fourth declension, respectively. The first supine's often used as the fourth principal part of Latin verbs and ends in -um. It's two uses. The first's with verbs of motion and indicates purpose. For example, "Gladiatores adfuerunt pugnatum"'s Latin for "The gladiators have come to fight", and… (More on Supine)