n.1. A well-defined natural elevation smaller than a mountain.
2. A small heap, pile, or mound.
3. a. A mound of earth piled around and over a plant.
b. A plant thus covered.
4. An incline, especially of a road; a slope.
5. Hilla. Capitol Hill. Often used with the.
b. The US Congress. Often used with the.
tr.v. hilled,
hill·ing,
hills 1. To form into a hill, pile, or heap.
2. To cover (a plant) with a mound of soil.