1. search engine a computer program that retrieves documents or files or data from a database or from a computer network (especially from the internet)
  2. gas engine an internal-combustion engine similar to a gasoline engine but using natural gas instead of gasoline vapor
  3. switch engine a locomotive for switching rolling stock in a railroad yard
  4. steam engine external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder
  5. sickening causing or able to cause nausea
  6. tank engine a locomotive that carries its own fuel and water
  7. seeking the act of searching for something
  8. sphingine resembling a sphinx
  9. diesel engine an internal-combustion engine that burns heavy oil
  10. heat engine any engine that makes use of heat to do work
  11. screening the display of a motion picture
  12. jet engine a gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion
  13. rocket engine a jet engine containing its own propellant and driven by reaction propulsion
  14. donkey engine a locomotive for switching rolling stock in a railroad yard
  15. sea change a profound transformation
  16. fire engine any of various large trucks that carry firemen and equipment to the site of a fire
  17. scrounge obtain or seek to obtain by begging, pleading, or flattering
  18. scanning the act of systematically moving a finely focused beam of light or electrons over a surface in order to produce an image of it for analysis or transmission
  19. ion engine a type of reaction-propulsion engine to propel rockets in space; a stream of positive ions is accelerated to a high velocity by an electric field
  20. sagging hanging down (as from exhaustion or weakness)