A ditch; an excavation made in the earth by digging, of greater length than breadth, intended as a reservoir of water, a drain, or for other purpose.

A mound of earth, of stones, or of other materials, intended to prevent low lands, from being inundated by the sea or a river. The low countries of Holland are thus defended by dikes.

A vein of basalt, greenstone or other stony substance.

To surround with a dike; to secure by a bank.

To dig.