n.
Pronunciation: ' ā - ˌ peks
Function: noun
Inflected Form: plural apex · es or api · ces \ ' ā -p ə - ˌ s ē z, ' a- \
Etymology: L
Date: 1601
1 a : the uppermost point : VERTEX <the apex of a mountain> b : the narrowed or pointed end : TIP <the apex of the tongue>
2 : the highest or culminating point <the apex of his career>
synonyms see SUMMIT