frater uterinus

== Latin == === Pronunciation === (Classical Latin) IPA(key): [ˈfraː.tɛr ʊ.tɛˈriː.nʊs] (modern Italianate Ecclesiastical) IPA(key): [ˈfraː.ter u.teˈriː.nus] === Noun === frāter uterīnus m (genitive frātris uterīnī); third declension the son of someone’s mother who has a different father; maternal half brother Coordinate term: frāter cōnsanguineus ==== Declension ==== Third-declension noun with a second-declension adjective.