The collision of a ship with ground beneath the surface of the water.
The permanence of aircraft on land because of government action.
(electrical engineering) The interconnecting metal chassis/frame of a device, appliance, machine, or metal raceway via a designated conductor to earth at the Service Panel. The conductor may be bare or covered (with green plastic which may have a yellow stripe (US).) This conductor does NOT carry current in normal operation.
The absorption of energy through visualized "roots" descending from oneself into the ground, using Qi.
The act by which a child is grounded (forbidden from going out).
