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.

To reduce to smaller pieces by crushing with lateral motion.

To shape with the force of friction.

Example: grind a lens; grind an axe

To remove material by rubbing with an abrasive surface.

To become ground, pulverized, or polished by friction.

Example: Steel grinds to a sharp edge.

Crushed, or reduced to small particles.

Example: ground mustard seed

Processed by grinding.

Example: lenses of ground glass