1. a tool, instrument, or apparatus designed for practical use that serves a specific functional purpose
The kitchen organizer is a practical device that saves time and space.
O organizador de cozinha é um dispositivo prático que economiza tempo e espaço.
2. a mechanism or tool created to solve a real-world problem in an efficient and straightforward manner
A bottle opener is a simple practical device everyone needs in their kitchen.
Um abridor de garrafas é um dispositivo prático simples que todos precisam na cozinha.