1.To lay, set, or run, on the ground.
2.To found; to fix or set, as on a foundation, reason, or principle; to furnish a ground for; to fix firmly. "Being rooted and grounded in love." "So far from warranting any inference to the existence of a God, would, on the contrary, ground even an argument to his negation."
3.To instruct in elements or first principles.
4.(Elec.) To connect with the ground so as to make the earth a part of an electrical circuit.
6.To forbid (a pilot) to fly an airplane; usually as a disciplinary measure, or for reasons of ill health sufficient to interfere with performance.
7.To forbid (aircraft) to fly; usually due to the unsafe condition of the aircraft or lack of conformity to safety regulations; as, the discovery of a crack in the wing of a Trijet caused the whole fleeet to be grounded for inspection.
8.To temporarily restrict the activities of (a child), especially social activity outside the house; usually for bad or unsatisfactory conduct; as, Johnny was grounded for fighting at school and can't go to the movies for two weeks.
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