n. In calico-printing, a superimposed color in the form of stripes, bands, or cross-bars.n. In railroading, a crossing or connecting line of rails and two switches joining two lines of rails. It is used to enable a train to cross from one line to another. See switch, 2, and *ladder, 3.n. In electricity, a place where two wires pass each other without touching. Should they touch a cross would be formed. See cross, 13.n. Same as sontag.n. The crossing of the swiftest current in a river from one side of the channel to the other. Crossovers generally occur between two bends in the course of a stream.