13-Letter Words Starting: AR

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• the territorial jurisdiction of an archbishop

• Any branching, treelike shape or formation.

• The formation of such a shape or formation.

• a wife or widow of an archduke or a princess of the former ruling house of Austria

• of or pertaining to construction or architecture

• roentgenographic examination of arteries

• the quality of being produced by people and not occurring naturally

• of or relating to an archdeacon or his office