noun (plural ~es or apices) Etymology: Latin Date: 1601 1. the uppermost point ; vertex , the narrowed or pointed end ; tip , the highest or culminating point , see: summit
APEX
Meaning of APEX in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012