“ground”

The practice or characteristic of carefully gathering information; a state or mindset of attentiveness.

A position of advantage or superiority in a conflict or competition.

Attending or visiting (a stated event, place, etc.) habitually or regularly.

In a contrary direction to.

A measure of the extent of a surface; it is measured in square units.

A long dowel or plank protruding from the ground; a fencepost; a lightpost.

The same height at all places; parallel to a flat ground.

The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen, oxygen, and various trace gases.

The source of, or reason for, an event or action; that which produces or effects a result.

Situated close to, or even below, the ground or another normal reference plane; not high or lofty.

A strip of fabric, especially from the edge of a piece of cloth.

A way used for travelling between places, originally one wide enough to allow foot passengers and horses to travel, now (US) usually one surfaced with asphalt or concrete and designed to accommodate many vehicles travelling in both directions. In the UK both senses are heard: a country road is the same as a country lane.

A registry of pecuniary transactions; a written or printed statement of business dealings or debts and credits, and also of other things subjected to a reckoning or review.

Characteristic of members of the armed forces.

To give up, surrender, or yield (e.g. a weapon), usually by placing it on the ground.