piedmont
/ˈpiːdmɒnt/noun
1- a gentle slope leading from the foot of mountains to a region of flat land山麓地区, 山脚地区。
1.1
the Piedmont
a hilly region of the eastern US, between the Appalachians and the coastal plain皮德蒙特（位于美国东部阿巴拉契亚山脉和海岸平原之间的丘陵地区）。
词源
mid 19th cent.: from Italian piemonte 'mountain foot' （See PIEDMONT）.