1. drilling rig rig used in drilling for oil or gas
  2. trucking rig a truck consisting of a tractor and trailer together
  3. drilling pipe a series of tubes (joined by screwed collars) that connect a drilling platform to the drilling bit; rotates the bit and supplies drilling mud
  4. drilling bit a bit used in drilling for oil
  5. trailing arbutus low-growing evergreen shrub of eastern North America with leathery leaves and clusters of fragrant pink or white flowers
  6. Darling River an Australian river; tributary of the Murray River
  7. drilling mud a mixture of clays and chemicals and water
  8. drilling the act of drilling
  9. drill rig rig used in drilling for oil or gas
  10. drilling fluid a mixture of clays and chemicals and water
  11. drill press a machine tool with a separate, upright stand
  12. dwelling house housing that someone is living in
  13. Trilling United States literary critic (1905-1975)
  14. Sir William Crookes English chemist and physicist
  15. trailing edge the rear edge of an airfoil
  16. thrilling causing a surge of emotion or excitement
  17. trilingual using or knowing three languages
  18. trolling angling by drawing a baited line through the water
  19. selling race a horse race in which the winning horse must be put up for auction
  20. sailing-race a race between crews of people in yachts