Noun
a ditch for carrying off excess water or sewage
Source: WordNetIn farm country, the plover has only two real enemies: the gully and the drainage ditch. Perhaps we shall one day find that these are our enemies, too. Aldo Leopold
I was a typical farm boy. I liked the farm. I enjoyed the things that you do on a farm, go down to the drainage ditch and fish, and look at the crawfish and pick a little cotton. Sam Donaldson