1. An unpaved road made of earth, gravel, or similar material
The farmhouse is located at the end of a long dirt road.
A fazenda fica localizada no final de uma longa estrada de terra.
2. A rural or country road that is not paved with asphalt or concrete
We drove down the dirt road to reach the camping site.
Dirigimos pela estrada de terra para chegar ao local de acampamento.