simple past tense and past participle of ground

Directly in an area of interest or active operations; in the field. / Used other than figuratively or idiomatically: see on, the, ground.

Fundamental knowledge or background in a field or discipline. / The return to a fully conscious state after a psychedelic experience.

present participle of ground

Obsolete spelling of ground

plural of grounde

Dead and buried.

plural of grounding

An arena in which a cricket match is played; a cricket field plus the viewing areas, pavilion etc.

Originally, the point on the land or water surface below which a nuclear bomb detonates in the air; now also the point on such a surface at or above the detonation.