GERONTIUS Meaning of GERONTIUS in English Gerontius BrE AmE ɡə ˈrɒnt i‿əs dʒɪ-, dʒə-, -ˈrɒn t ʃ- AmE \ -ˈrɑːnt- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012