Ditches & Drains Ditches & Drains Overview Twenty-two ditches traverse Yellowstone County with six of those ditches located within the City limits. Many of the ditches are open waterways, however, there … DITCH definition: a long, narrow excavation made in the ground by digging, as for draining or irrigating land; trench. See examples of ditch used in a sentence. a narrow channel dug in the earth, usually used for drainage, irrigation, or as a boundary marker 2. Click for more definitions. a long, narrow open hole that is dug into the ground, usually at the side of a road or field…. ditch synonyms, ditch pronunciation, ditch translation, English dictionary definition of ditch. A long narrow trench or furrow dug in the ground, as for irrigation, drainage, or a boundary line. … Feb 23, 2026 · ditch ditch (plural ditches) A trench; a long, shallow indentation, as for irrigation or drainage. 1 day ago · The meaning of DITCH is a long narrow excavation dug in the earth (as for drainage). How to use ditch in a sentence. A ditch is a long trench or pit dug into the ground. If your lawns are always soggy, build a drainage ditch for the excess water to flow into.