landforms

/ˈlændˌfɔrmz/
noun
  1. Natural features of the Earth's surface, such as mountains, valleys, plains, or hills.
    • The map showed a variety of landforms, including plateaus and river deltas.
    • In geography class, we learned how different landforms are created by erosion.
    • The Grand Canyon is one of the most famous landforms in the United States.