Ditch

1. A long narrow trench or furrow dug in the ground, as for irrigation, drainage, or boundary line. A drainage ditch helped to relieve the flooding.
2. To dig or make a long narrow trench or furrow (verb). We had to ditch the tent before the rain.
3. To get rid of. He ditched the old unneeded chair (verb). We ditched the sofa in the woods.
4. To crash-land (an aircraft) on water (verb). The plane had to ditch over the sea when the engine failed.