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