Meaning of “culminate” - Learner’s Dictionary

culminate

verb uk us /ˈkʌlmɪneɪt/ formal
culminate in/with sth

to finish with a particular event, or reach a final result after gradual development and often a lot of effort:

The course culminates in a series of written exams.
His career culminated with the post of ambassador to NATO.

[ T ] US to be the final thing in a series of events:

The discovery of a body culminated two days of desperate searching.
culmination uk us /ˌkʌlmɪˈneɪʃən/ noun [ no plural ]

This discovery is the culmination of years of research.

(Definition of “culminate” from the Cambridge Learner’s Dictionary © Cambridge University Press)