Save Gender Masculine Usage Medieval Dutch, Medieval Flemish, Medieval German, Dutch (Rare) Pronounced Pron. /jə.ˈroː.ni.mʏs/(Dutch) [key·simplify] Other Forms FormsJeroniemus, Jeronijmus, Jeronymus, Jheroniemus, Jheronijmus, Jheronimus, Jheronymus Meaning & History Medieval Dutch, Flemish and German variant spelling of Ieronimus.