1. The primary or most important avenue in a city or town, typically characterized by heavy traffic, commercial activity, and significant infrastructure
The main avenue is lined with shops and restaurants.
A avenida principal é repleta de lojas e restaurantes.
2. A major thoroughfare serving as a central route for transportation and commerce in an urban area
We took the main avenue to reach the downtown district.
Pegamos a avenida principal para chegar ao centro da cidade.