The scarp marking the geologic fault that separates the plains of eastern Texas from highlands to the west. San Antonio, Austin, and Waco lie near or on it.
Definition of Balcones Escarpment in US English:
Balcones Escarpment
proper nounbalˌkōnəs iˈskärpmənt
The scarp marking the geologic fault that separates the plains of eastern Texas from highlands to the west. San Antonio, Austin, and Waco lie near or on it.