, fontis, m., (1) lit., (a) a spring, fountain, well-source, (b) with or without baptismi, the fountain of baptism, i.e., the waters of baptism, the application, as the name of the vessel, being secondary, (2) fig., a fountain-head, source, origin, cause. — (1) (a), sicut quod linea procedit a puncto, radius a sole, rivus a fonte, PP. Q. 36. Art. 2 c; locus paradisi a cognitione hominum est remotissimus; flumina autem quorum fontes noti esse dicuntur, alicubi isse sub terras, PP. Q. 102. Art.