1. A private conversation or meeting held in confidence, not open to the public or press
The board held a closed-door discussion about the company's financial situation.
A diretoria realizou uma discussão porta fechada sobre a situação financeira da empresa.
2. A confidential dialogue between parties, typically government officials or organizational leaders, away from public scrutiny
The negotiations took place in closed-door discussions between the two countries.
As negociações ocorreram em discussões porta fechada entre os dois países.