Expanse - Definition
expanse
n 1: a wide scope; "the sweep of the plains" [syn: sweep,
expanse]
2: the extent of a 2-dimensional surface enclosed within a
boundary; "the area of a rectangle"; "it was about 500 square
feet in area" [syn: area, expanse, surface area]
3: a wide and open space or area as of surface or land or sky