a considerable town of Persia, and in the province of Khorassan; fortified with several towers, and famous for the magnificent sepulchre of Iman Rifa, of the family of Ali, to whom the Persians pay great devotion. It is seated on a mountain near this town, in which are fine turquoise-stones; in E. Long. 59° 25'. N. Lat. 37° 0'.