ditch

A trench; a long, shallow hole that is used for irrigation or drainage.

Example: Digging ditches has long been considered one of the most arduous forms of manual labor.

To leave without telling anyone.

Example: We are going to ditch the party because it is so lame.

To throw away, discard or abandon.

Example: Once the sun came out we ditched our rain-gear and started a campfire.