tertius adj. num ord. ter, the third: trīs video sententias ferri: unam . . . alteram . . . tertiam ut, etc.: Pompei consulatus: tertio illo anno: Saturnalibus tertiis, i. e. on the third day of the Saturnalia: ab Iove tertius Aiax, i. e. great-grandson of Jupiter, O.: per tertia numina iuro, i. e. by the infernal gods, O.: regna, the infernal regions, O.: Tertius e nobis, i. e. one of us three, O.