A"pex (#), n.; pl. E. Apexes (#); L. Apices (#). [L.]
1.
The tip, top, point, or angular summit of anything; as, the apex of a mountain, spire, or cone; the apex, or tip, of a leaf.
2. Mining
The end or edge of a vein nearest the surface.
[U.S.]
Apex of the earth's motion Astron., that point of the heavens toward which the earth is moving in its orbit.
© Webster 1913.