grounding

noun8

1. •
   Fundamental knowledge or background in a field or discipline.
2. •
   The prevention of aircraft takeoff because of government action.
3. •
   The act by which a child is grounded (forbidden from going out, using electronics, etc.).
4. •
   The interconnecting metal chassis or frame of a device, appliance, machine, or metal raceway via a designated conductor to earth at the service panel. It may be bare or covered, and does not carry current in normal operation.
5. •
   The collision of a ship with ground beneath the surface of the water.
6. •
   The absorption of energy through visualized roots descending from oneself into the ground, using chi.
7. •
   The return to a fully conscious state after a psychedelic experience.
8. •
   The background of embroidery, etc.