Definition:West Point of Horizon

Definition
Let an observer $O$ be facing the north point of the horizon $N$, facing directly away from the south point of the horizon $S$.

The point on the celestial horizon at right angles to the line joining $N$ and $S$, on the left of $O$, is called the west point of the horizon.

Also known as
The west point of the horizon is also known as the west point.

Also see

 * Definition:North Point of Horizon
 * Definition:South Point of Horizon
 * Definition:East Point of Horizon