Swath

DEF: A long area, a strip.

EX: 1. A large swath of the forest has been cut to prepare the ground for the new road 2. Swathes of the industry need to modernize to adapt to the new market.

Merriam-Webster Online Dictionary
swath (noun)
1.
a) a row of cut grain or grass left by a scythe or mowing machine
b) the sweep of a scythe or a machine in mowing or the path cut in one course
2.
a long broad strip or belt
3.
a stroke of or as if of a scythe
4.
a space devastated as if by a scythe