1. The most important or prominent characteristic of something
The main feature of this smartphone is its advanced camera system.
A característica principal deste smartphone é seu sistema de câmera avançado.
2. The primary or most significant element of a product, service, or concept
Safety is the main feature of our new car model.
Segurança é a característica principal do nosso novo modelo de carro.
3. In cinema, the full-length film presented as the central attraction
The main feature will begin after the previews.
O filme principal começará após os trailers.