TRICO´RNIUM(Τρικόρνιον, Ptol. 3.9.3), or TRICORNIA CASTRA( Itin. Hieros. p. 564), a town in the territory of the Tricornensii, a people of Upper Moesia, on the borders of Illyria. Variously identified with Ritopkand Tricornior Kolumbacz. [T.H.D]