1. An unpaved road made of earth or clay, typically found in rural areas
The village was accessible only by a dirt road during the rainy season.
A aldeia era acessível apenas por uma estrada de barro durante a estação chuvosa.
2. A rural pathway or track without asphalt or concrete surface
We drove down the dirt road to reach the farm.
Dirigimos pela estrada de barro para chegar à fazenda.