amphitheater Save Georges Gaffiot 2016 Du Cange amphitheāter, s. amphitheātrum ➳ . amphĭthĕāter, (16) c. amphitheatrum : Petr. 45, 6. AMPHITHEATER, pro Amphitheatrum. Occurrit in Vita S. Potiti Martyr. ex MS. Velseri cap. 4 : Et impletus est Amphitheater populo.