Definition of Frederick I in English:
Frederick I
proper nounˈfrɛdrɪkˌfred(ə)rik T͟Həˈfərst
(c.1123–90), king of Germany and Holy Roman emperor 1152–90; known as Frederick Barbarossa (‘Redbeard’). He made a sustained attempt to subdue Italy and the papacy, but was eventually defeated at the battle of Legnano in 1176.
Definition of Frederick I in US English:
Frederick I
proper nounˌfred(ə)rik T͟Həˈfərst
(c.1123–90), king of Germany and Holy Roman Emperor 1152–90; known as Frederick Barbarossa (“Redbeard”). He made a sustained effort to subdue Italy and the papacy, but was eventually defeated at the battle of Legnano in 1176.