contorniate

{ ‖, n., [ It. contorniato, p. pr. of contorniare to make a circuit or outline, fr. contorno circuit, outline. See Contour. ] (Numis.) A species of medal or medallion of bronze, having a deep furrow on the contour or edge; -- supposed to have been struck in the days of Constantine and his successors. R. S. Poole. [ 1913 Webster ]