Dictionary

The surface of the Earth, as opposed to the sky or water or underground.

Example: Look, I found a ten dollar bill on the ground!

Terrain.

Soil, earth.

Example: The fox escaped from the hounds by going to ground.

The bottom of a body of water.

To connect (an electrical conductor or device) to a ground.

To punish, especially a child or teenager, by forcing him/her to stay at home and/or give up certain privileges.

Example: Eric, you are grounded until further notice for lying to us about where you were last night!

To forbid (an aircraft or pilot) to fly.

Example: Because of the bad weather, all flights were grounded.

To give a basic education in a particular subject; to instruct in elements or first principles.

Example: Jim was grounded in maths.

Basis or justification for something.

Example: grounds for divorce

The collective land areas that compose a larger area.

Example: the castle grounds

The sediment at the bottom of a liquid, or from which a liquid has been filtered.