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 bit a bit used in drilling for oil
  4. 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
  5. drilling mud a mixture of clays and chemicals and water
  6. drilling the act of drilling
  7. drill rig rig used in drilling for oil or gas
  8. Trilling United States literary critic (1905-1975)
  9. travelling bag a portable rectangular container for carrying clothes
  10. trilingual using or knowing three languages
  11. thrilling causing a surge of emotion or excitement
  12. trolling angling by drawing a baited line through the water
  13. drilling fluid a mixture of clays and chemicals and water
  14. Darling River an Australian river; tributary of the Murray River
  15. trailing edge the rear edge of an airfoil
  16. rallying cry a slogan used to rally support for a cause
  17. darling a special loved one
  18. trailing the pursuit by following tracks or marks they left behind
  19. darling pea either of two Australian plants of the genus Swainsona that are poisonous to sheep
  20. Darlingtonia one species: California pitcher plant