magnetic north n. The direction in which the north-pointing end of a compass needle points; at low latitudes it is close to geographic (true) north, but deviates substantially from true north as one nears the north pole.
... wavered—agitated unmistakably—then the parts of the dynamos and the motor in the boat dragged the reluctant point of steel slowly, flutteringly, but surely, from its affinity, the magnetic North. ... — The Man from the Bitter Roots • Caroline Lockhart