(law) Basis or justification for something. / The collective land areas that compose a larger area.

The sediment at the bottom of a liquid, or from which a liquid has been filtered.

(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.

Obsolete spelling of ground

plural of grounde

Dead and buried.

(American football) An instance when the quarterback throws the ball into the ground or into the crowds to avoid being sacked and losing field position.

(glaciology, oceanography) the boundary where a grounded glacier becomes a floating ice shelf