Definitions
1.nounConical priest cap
2.nounThe highest or the greatest point of something."the apex of the building"
3.nounThe moment of greatest success, expansion, etc."the apex of civilization"
4.nounThe topmost vertex of a cone or pyramid (in their conventional orientation).
5.nounThe "pointed" fine end of something.
6.nounThe end of a leaf, petal or similar organ opposed to the end where it is attached to its support; the tip.
7.nounThe point on the celestial sphere toward which the sun appears to move relative to nearby stars.
8.nounThe lowest point on a pendant drop of a liquid.
9.nounThe end or edge of a vein nearest the surface.
10.nounA diacritic in Classical Latin that resembles and gave rise to the acute.
11.nounA diacritic in Middle Vietnamese that indicates /ŋ͡m/.
12.nounA sharp upward point formed by two strokes that meet at an acute angle, as in "W", uppercase "A", and closed-top "4", or by a tapered stroke, as in lowercase "t".
13.nounThe top of the food chain