Also found in: Thesaurus, Encyclopedia, Wikipedia.
Ot·to I(ŏt′ō, ôt′ō) also O·tho I (ō′thō, ō′tō) Known as "Otto the Great." 912-973.
King of Germany (936-973) and first Holy Roman emperor (962-973). He brought Italy and Burgundy under German control.
Otto I(ˈɒtəʊ) or
(Biography) called the Great. 912–73 ad, king of Germany (936–73); Holy Roman Emperor (962–73)
( “the Great” ) A.D. 912–973, king of the Germans 936–973; emperor of the Holy Roman Empire 962–973.