hiller

noun

1. a natural raised part of the earth's surface, often rounded and smaller than a mountain
2. a small pile, heap, or mound: an anthill
3. 1. a small mound of soil heaped over or around plants and tubers: a hill of potatoes
   2. the plant or plants rooted in such a mound

transitive verb

1. to shape into or like a hill
2. to cover with a hill (sense )