Variant of ground. Ground definition. Ground (ground).

Noun. Obsolete. The lowest part, base, or bottom of anything. The bottom of a body of water. The surface of the earth, specifically the solid surface. The soil of the earth; earth; land
any particular piece of land; esp., one set aside for a specified purpose a hunting ground land surrounding or attached to a house or other building; especially the lawns, garden, etc of an estate.
Any particular area of reference, discussion, work, etc; topic; subject arguments covering the same ground
basis; foundation.
The logical basis of a conclusion, action, etc; valid reason, motive, or cause: often used in plural.
The background or surface over which other parts are spread or laid, as the main surface of a painting. The particles that settle to the bottom of a liquid; dregs; sediment coffee grounds.
Election.
A conducting body (as the earth, or an object connected with the earth) whose potential is taken as zero and to which an electric circuit can be connected.
The connection of an electrical conductor with a ground.
A device, as a stake, iron pipe, etc, that makes such a connection.

Adjective. Of, on, or near the ground.
Growing or living in or on the ground.
Football. Designating the part of the offensive game plan using running plays.

Transitive verb.
To set on, or cause to touch, the ground.
To cause (a ship, etc) to run aground.
To found on a firm basis; establish.
To base (a claim, argument, etc) on something specified.
To instruct (a person) in the elements or first principles of.
To provide with a background.
To keep (an aircraft or pilot) from flying.