Definitions of hill:

noun: a local and well-defined elevation of the land
noun: risque English comedian (1925-1992)
noun: United States railroad tycoon (1838-1916)
noun: structure consisting of an artificial heap or bank usually of earth or stones
noun: (baseball) the slight elevation on which the pitcher stands
verb: form into a hill
name: A surname (very common: 1 in 534 families; popularity rank in the U.S.: #33)