1. A person or official who keeps records or registers; a public official responsible for maintaining official registers
The registrar recorded the birth certificate in the official register.
O registrador anotou a certidão de nascimento no registro oficial.
2. A device or instrument that automatically records or registers data, measurements, or information
The data registrator logged all temperature changes throughout the day.
O registrador de dados registrou todas as mudanças de temperatura durante o dia.
3. In computing, a register or storage location used for holding data
The CPU uses multiple registrars to store temporary data during processing.
O processador usa múltiplos registradores para armazenar dados temporários durante o processamento.