1.Definition: (astronomy) a heavenly body's highest celestial point above an observer's horizon

Category: Places

2.Definition: a concluding action

Related Noun(s):completion, windup

Category: General

3.Definition: a final climactic stage

"Their achievements stand as a culmination of centuries of development"

Related Noun(s):apogee

Category: General

4.Definition: the decisive moment in a novel or play

Category: General