Refers to the period, style, and culture associated with the rule of the Ottonian emperors (919-1024) and Salian rulers Conrad II and Henry III, through most of the 11th century. The style is an amalgam of elements including the ideals of the Carolingian art, a renewed interest in Early Christian art, and the influence of contemporary Byzantine art.

Source: Art & Architecture Thesaurus 

http://vocab.getty.edu/page/aat/300020766