terrain
US /təˈreɪn/
UK /təˈreɪn/

1.
terreno, orografia
a stretch of land, especially with regard to its physical features
:
•
The mountainous terrain made hiking difficult.
Il terreno montuoso rendeva difficile l'escursione.
•
They had to navigate through rough and uneven terrain.
Hanno dovuto navigare attraverso un terreno accidentato e irregolare.