Definition of "Climax" :

noun: the moment of most intense pleasure in sexual intercourse

noun: the decisive moment in a novel or play

"The deathbed scene is the climax of the play."

noun: arrangement of clauses in ascending order of forcefulness

noun: the highest point of anything conceived of as growing or developing or unfolding

"The climax of the artist's career."

noun: the most severe stage of a disease

verb: end, especially to reach a final or climactic stage