O´RREA1. (Ορρέα,Ptol. 2.3.14), a town of the Venicones, on the E. coast of Britannia Barbara. Horsley ( Brit. Rom. p. 373) identifies it with Orrock, on the little river Orewaterin Fifeshire. 2. A town in Moesia Superior (Ptol. 3.9.5). [T.H.D]