Refers to the period, culture, and style of art produced between the later eighth century and early 12th century in Scandinavia and Scandinavian settlements overseas. The term is derived from the old Norse noun "víkingr," and narrowly refers to sea pirates and raiders. However, it is usually applied to the broader realm of Scandinavian culture from this time period.

Source: Art & Architecture Thesaurus

http://vocab.getty.edu/page/aat/300020768