The noun ditch has 2 senses (first 1 from tagged texts)
1. (2) ditch -- (a long narrow excavation in the earth)
2. ditch -- (any small natural waterway)
Overview of verb ditch
The verb ditch has 6 senses (no senses from tagged texts)
1. ditch -- (forsake; "ditch a lover")
2. chuck, ditch -- (throw away; "Chuck these old notes")
3. dump, ditch -- (sever all ties with, usually unceremoniously or irresponsibly; "The company dumped him after many years of service"; "She dumped her boyfriend when she fell in love with a rich man")
4. ditch -- (make an emergency landing on water)
5. ditch -- (crash or crash-land; "ditch a car"; "ditch a plane")
6. trench, ditch -- (cut a trench in, as for drainage; "ditch the land to drain it"; "trench the fields")