I. ˈwin(d)-ˌrō noun
Date: circa 1534
1.
a. : a row of hay raked up to dry before being baled or stored
b. : a similar row of cut vegetation (as grain) for drying
2. : a row heaped up by or as if by the wind
3.
a. : a long low ridge of road-making material scraped to the side of a road
b. : bank , ridge , heap
II. transitive verb
Date: 1729
: to form (as hay) into a windrow