1. spark arrester a wire net to stop sparks from an open fireplace or smokestack
  2. spike arrester electrical device inserted in a power line to protect equipment from sudden fluctuations in current
  3. spear carrier a minor actor in crowd scenes
  4. spark counter an instrument that detects ionizing radiation from elementary particles
  5. spark transmitter an early radio transmitter using a discharge across a spark gap as the source of its power
  6. precursor something indicating the approach of something or someone
  7. supercharger compressor that forces increased oxygen into the cylinders of an internal-combustion engine
  8. sparkling water effervescent beverage artificially charged with carbon dioxide
  9. prairie aster violet-flowered perennial aster of central United States having solitary heads
  10. Procrustes a mythical giant who was a thief and murderer
  11. star-crossed marked by or promising bad fortune
  12. pork roast cut of pork suitable for roasting
  13. spark lever (on early automobiles) a lever mounted on the steering column and used to adjust the timing of the ignition
  14. barrister a British lawyer who speaks in the higher courts of law
  15. supercharged having the power increased by fitting with a supercharger
  16. superstar someone who is dazzlingly skilled in any field
  17. procrustean enforcing conformity by violent or ruthless means
  18. sparkle metal matte that has 74 percent copper
  19. spark chamber an instrument that detects ionizing radiation from elementary particles
  20. protester someone who participates in a public display of group feeling