the water beneath the surface of the ground, consisting largely of surface water that has seeped down: the source of water in springs and wells.
underground water that has come mainly from the seepage of surface water and is held in pervious rocks
noun 1. a radio wave that propagates on or near the earth’s surface and is affected by the ground and the troposphere. noun 1. a radio wave that travels directly between a transmitting and a receiving aerial Compare sky wave
plural noun 1. Shipbuilding. hardwood timbers laid end-to-end to form an inclined track on which the keel of a ship can slide during launching.
noun, Electricity. 1. a lead from an electric apparatus to the earth or to a ground connection.
[ground-woo d] /ˈgraʊndˌwʊd/ noun, Papermaking. 1. that has been for making into pulp.