Meaning

• An elevated location smaller than a mountain.

  "The park is sheltered from the wind by a hill to the east."

• A sloping road.

  "You need to pick up speed to get up the hill that's coming up."

• A heap of earth surrounding a plant.

• A single cluster or group of plants growing close together, and having the earth heaped up about them.

  "a hill of corn or potatoes"

• The pitcher’s mound.

Meaning

• To form into a heap or mound.

• To heap or draw earth around plants.