An Etymological Dictionary of Astronomy and Astrophysics

1. An → imaginary → point in the → northern hemisphere representing the intersection of the → Earth’s → rotation axis with the → globe or with the → celestial sphere.
   

2. For a → magnet, the pole which points toward the geographic north.
   

3. In a → magnetic field, the point from where a → line of force is leaves for the → south pole.

See also: → north; → pole.