1. The male head of a family or tribe, especially in biblical or historical contexts
Abraham was a patriarch of the Jewish faith.
Abraão era um patriarca da fé judaica.
2. A venerable old man; a senior figure in a community or organization
He was considered the patriarch of the family business.
Ele era considerado o patriarca do negócio da família.
3. In Christian tradition, a high-ranking bishop in certain churches
The patriarch of Constantinople holds great authority.
O patriarca de Constantinopla detém grande autoridade.