Church Father UK /ˈt͡ʃɜːt͡ʃ fɑːðə(ɹ)/US /ˈt͡ʃɝt͡ʃ fɑ.ðɚ/ noun1 •One of a number of male Christian writers from Antiquity whose doctrinal work is considered authoritative by the later church. formsChurch Fathers