Ground means the hard surface outside, like dirt or soil. People stand, walk, or put things on the ground.
The children play on the ground.
The house is built on dry ground.
To ground someone means to make them stay at home and not go outside, usually as a punishment.
Parents ground children for bad behavior.
He was grounded after coming home late.
To ground something in electricity means to safely connect it to the Earth to avoid shocks.
The electrician grounds all metal parts.
Make sure to ground the device properly.
To ground a plane means to stop it from flying, often because of weather or problems.
Bad weather grounded the airplane.
The flight was grounded due to fog.
Ground can mean the bottom surface in a place where you stand or put things.
He sat down on the ground.
The vase fell to the ground.