A trench in the earth made by digging, particularly a trench for draining wet land, or for making a fence to guard inclosures, or for preventing an enemy from approaching a town or fortress. In the latter sense, it is called also a foss or moat, and is dug round the rampart or wall between the scarp and counterscarp.

Any long, hollow receptacle of water.

To dig or make a ditch or ditches.

To dig a ditch or ditches in; to drain by a ditch; as, to ditch moist land.

To surround with a ditch.