- of or relating to the German dynasty (Otto I, II, III) that ruled as emperors of the Holy Roman Empire from 962 to 1002.
- pertaining to or designating the arts or culture of the Ottonian period, characterized chiefly by the development of forms derived from both Carolingian and Byzantine concepts: an Ottonian revival.
Origin of Ottonian
1895–1900; < German Otton(en), plural of Otto + -ian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018