pole

Either extremity of an axis through a sphere.

Either of the regions contiguous to the extremities of the earth’s rotational axis, the North Pole or the South Pole.

Either of two oppositely charged terminals, as in an electric cell or battery.

Either extremity of the main axis of a nucleus, cell, or organism.

Either end of the spindle formed in a cell during mitosis.

The point on a nerve cell where a process originates.

Either of two antithetical ideas, propensities, forces, or positions.