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.