Home › Words › F › fatherlinefatherline/ˈfɑːðə(ɹ)laɪn/fatherline means synonym of patriline.fatherline is pronounced /ˈfɑːðə(ɹ)laɪn/.EtymologyFrom father + line.nounSynonym of patriline.Definitions & examples from Wiktionary (CC BY-SA 3.0).