ground - See: BREAK GROUND, COMMON GROUND, COVER GROUND or COVER THE GROUND, CUT THE GROUND FROM UNDER, EAR TO THE GROUND, FEET ON THE GROUND, GAIN GROUND, GET OFF THE GROUND, GIVE GROUND, HAPPY HUNTING GROUND, HOLD ONE'S GROUND, LOSE GROUND, MIDDLE GROUND, RUN INTO THE GROUND, STAMPING GROUND, STAND ONE'S GROUND, FROM THE GROUND UP.