[ 'eɪpɛks ]
■ noun ( plural ~es or apices 'eɪpɪsi:z )
1》 the top or highest part of something, especially one forming a point.
↘ Botany the growing point of a shoot.
2》 the highest point of achievement.
■ verb reach a high point or climax.
Origin
C17: from L., 'peak, tip'.