Acreage

(n.) An area of land; acres collectively; as, the acreage of a farm or a country.

Thesaurus Entries

area, breadth, continuum, dimension, emptiness, empty space, expanse, expansion, extension, extent, field, galactic space, infinite space, interstellar space, measure, nothingness, outer space, proportion, space, spatial extension, sphere, spread, superficial extension, surface, tract, void, volume