(1198-1216) in early papal tiara, Fresco at the cloister Sacro Speco, about 1219.]]A tiara (from Persian ???? tara adopted in Latin as 'tiara') is a form of crown. There are two possible types of crown that this word can refer to.Traditionally, the word "tiara" refers to a high crown, often with the shape of a cylinder narrowed at its top, made of fabric or leather, and richly ornamented. It was used by the kings and emperors of some ancient peoples in Mesopotamia. The Assyrians used to include