1. operating table table on which the patient lies during a surgical operation
  2. operating system (computer science) software that controls the execution of computer programs and may provide various services
  3. operating surgeon a physician who specializes in surgery
  4. breathing spell a short respite
  5. operating capital capital available for the operations of a firm (e.g. manufacturing or transportation) as distinct from financial transactions and long-term improvements
  6. imperative requiring attention or action
  7. operating budget a budget for current expenses as distinct from financial transactions or permanent improvements
  8. operating theater a room in a hospital equipped for the performance of surgical operations
  9. operating cost the expense of maintaining property
  10. operating room a room in a hospital equipped for the performance of surgical operations
  11. operating expense the expense of maintaining property
  12. operatively in a manner to produce an effect
  13. operating theatre a room in a hospital equipped for the performance of surgical operations
  14. operating capability the capability of a technological system to perform as intended
  15. abrading stone a primitive stone artifact used as an abrader
  16. operating statement a financial statement that gives operating results for a specific period
  17. operational cell a terrorist cell that performs clandestine activities
  18. operating involved in a kind of operation
  19. boarding school a private school where students are lodged and fed
  20. sporting life active interest in gambling on sports events