1. 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.
2. 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.
3. A vein of basalt, greenstone or other stony substance.
DIKE, v.t. To surround with a dike; to secure by a bank.
DIKE, v.i. To dig. [Not in use.]