(aviation, of an airman or aircraft) Not allowed to fly. / (nautical, of a vessel) Aground. / (electricity, Canada, US) Of or pertaining to an electrical conductor which is connected to earth; earthed.

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 intentional grounding

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