1. to complete or conclude the last stage of a process, project, or event
The construction company will end the final phase of the building project next month.
A empresa de construção encerrará a fase final do projeto do edifício no próximo mês.
2. to bring to completion the ultimate or concluding period of something
We need to end the final phase of testing before releasing the software.
Precisamos encerrar a fase final dos testes antes de lançar o software.