glădĭātūra — Lewis & Short
glădĭātūra, ae, f.gladius, gladiator,
I a fighting of gladiators, or their profession (post-Aug. and very rare):
adduntur e servitiis gladiaturae destinati,Tac. A. 3, 43: ut requiem gladiaturae haberet, Schol. Juv. 6, 105; Firm. 5, 27.