an area of high land, lower than a mountain; the slope, e.g. on a road
uprising of earth's surface; pile
Cases of word usage
1) a light on a hill or mountain, or on the coast etc to give warning of danger to planes, ships etc (beacon)
2) a small hill (hillock)
3) a small hill (knoll)
4) an underground passage, especially through a hill or mountain, used for a road, railway etc (tunnel)
5) a hill or mountain with an opening (crater) through which very hot gases, ashes, liquid 'rock' (lava) etc come up from below (volcano)
