Chartaq (Persian: چارطاق) chahartaq (چهارطاق), chartaqi (چارطاقی), or chahartaqi (چهارطاقی), literally meaning “four arches”, is an architectural unit consisted of four barrel vaults and a dome. Chartaq, in architecture, the body with a quadrilateral background and a dome cover consisting of a four-poster and a dome arch on it, is…