The infielders had trouble fielding the ground balls with eyes.

His advice fell on stony ground and was ignored by everyone.

She held her ground during the argument.

Ground effect machines are used for transportation over water surfaces.

Ground-effect vehicles are commonly used in military operations.

Ground-effect machines are used for transportation over water or rough terrain.

The chemistry lab is equipped with various ground glass joints.

Harlan's ground sloths were large herbivorous mammals that lived during the Pleistocene epoch.

The wings in ground effects provide additional lift to the aircraft.

They used a roller to soften up the ground before planting the seeds.