Apex \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. [1913 Webster] 2. (Mining) The end or edge of a vein nearest the surface. [U.S.] [1913 Webster] {Apex of the earth's motion} (Astron.), that point of the heavens toward which the earth is moving in its orbit. [1913 Webster] aphaeresis
Apices \Ap"i*ces\, n. pl. See {Apex}. [1913 Webster]