- north as indicated by a magnetic compass, differing in most places from true north.
- the direction in which a compass needle points, at an angle (the declination) from the direction of true (geographic) north
- The direction toward which the north-seeking arrow of a compass points.♦ The magnetic north pole is the northern pole of the Earth’s magnetic field and changes slightly in response to variations in the Earth’s magnetism. The current magnetic north pole is located in the Arctic Islands of Canada. Compare geographic north.
The direction of the north magnetic pole.