Hi...
That word has few meanings :
1. To dig or make a long narrow trench or furrow in.
2. To surround with a long narrow trench or furrow.
3.
1. To drive (a vehicle) into a long narrow trench, as one beside a road.
2. To derail (a train).
4. Slang.
1. To get rid of; discard: ditched the old yard furniture.
2. To get away from (a person, especially a companion).
3. To discontinue use of or association with: ditch the job at the hamburger stand.
4. To skip (class or school).
5. To crash-land (an aircraft) on water.