- the southern end of the earth's axis, the southernmost point on earth.
- the point at which the axis of the earth extended cuts the southern half of the celestial sphere; the south celestial pole.
- the pole of a magnet that seeks the earth's south magnetic pole.
- See under magnetic pole (def. 1).
- the southernmost point on the earth's axis, at the latitude of 90°S
- the point of intersection, in the constellation Octans, of the earth's extended axis and the southern half of the celestial sphere
- the south-seeking pole of a freely suspended magnet
