Seventeenth century Tibetan thangka
Seventeenth century Tibetan thangka
Credit: Anonymous (public domain)

A "Thangka," also known as "Tangka", "Thanka" or "Tanka" is a painted or embroidered Buddhist banner which was hung in a monastery or a family altar and occasionally carried by monks in ceremonial processions. In Tibetan the word 'than' means flat and the suffix 'ka' stands for painting.