Real Dictionary

ditch
countable noun: A ditch is a long narrow channel cut into the ground at the side of a road or field.
verb: If a pilot ditches an aircraft or if it ditches, the pilot makes an emergency landing.
verb: If someone ditches someone, they end a relationship with that person.
verb: If you ditch something that you have or are responsible for, you abandon it or get rid of it, because you no longer want it.

ditch in American English
a long, narrow channel dug into the earth, as a trough for drainage or irrigation
to border with a ditch
to dig a ditch or ditches
intransitive verb: to dig a ditch
noun: a long, narrow excavation made in the ground by digging, as for draining or irrigating land; trench
transitive verb: to dig a ditch or ditches in or around

ditch in British English
noun
noun: a narrow channel dug in the earth, usually used for drainage, irrigation, or as a boundary marker