1. 终点;高潮;顶点
Something, especially something important, that is the culmination of an activity, process, or series of events happens at the end of it.

1. a concluding action

Synonym: completionclosingwindupmop up

2. the decisive moment in a novel or play

e.g. the deathbed scene is the climax of the play

Synonym: climax

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

4. a final climactic stage

e.g. their achievements stand as a culmination of centuries of development

Synonym: apogee