n. (pl. apexes or apices) 1 the highest point. 2 a climax; a high point of achievement etc. 3 the vertex of a triangle or cone. 4 a tip or pointed end.
[ L, = peak, tip ]
APEX
Meaning of APEX in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012