1. A secondary or supporting part of a system or device that enhances or supplements the main function
The air conditioning system includes an auxiliary component for emergency cooling.
O sistema de ar condicionado inclui um componente auxiliar para resfriamento de emergência.
2. In engineering or computing, a non-essential part that provides additional functionality or support
The backup battery is an auxiliary component that ensures continuous operation during power outages.
A bateria de backup é um componente auxiliar que garante operação contínua durante quedas de energia.