COENOPHRU´RIUM a town on the Thracian coast of the Propontis, on the road from Apollonia to Selymbria; in it the emperor Aurelian was murdered in A.D. 275. (Eutrop. 9.9; Vopisc. Aurel. 35; Itin. Ant. pp. 138, 230, 322, where the place is called Cenophrurium.) It is generally identified with the modern Bivados. [L. S.)