1. ground stroke a tennis return made by hitting the ball after it has bounced once
  2. ground state the lowest energy state of an atom or other particle
  3. ground snake small shy brightly-ringed terrestrial snake of arid or semiarid areas of western North America
  4. ground zero the target of a projectile (as a bomb or missile)
  5. grindstone a revolving stone shaped like a disk
  6. garboard strake the first wale laid next to the keel of a wooden ship
  7. forehand stroke (sports) a return made with the palm of the hand facing the direction of the stroke (as in tennis or badminton or squash)
  8. groundwork preliminary preparation as a basis or foundation
  9. ground cedar a variety of club moss
  10. round steak a lean cut of beef from between the rump and the shank
  11. grand Turk the ruler of a Muslim country
  12. groundsel tree a shrub of salt marshes of eastern and south central North America and West Indies; fruit is surrounded with white plumelike hairy tufts
  13. breaststroke a swimming stroke
  14. ground attack an attack by ground troops
  15. ground squirrel small striped semiterrestrial eastern American squirrel with cheek pouches
  16. backhand stroke a return made with the back of the hand facing the direction of the stroke
  17. ground rose low-growing bristly shrub of southern Oregon and California with creeping rootstocks and usually corymbose flowers
  18. ground water underground water that is held in the soil and in pervious rocks
  19. grandstand a covered structure with tiers of seats for spectators
  20. ground tackle a mechanical device that prevents a vessel from moving