Definitions of monitor:

  • noun:   any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles
  • noun:   a piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble
  • noun:   electronic equipment that is used to check the quality or content of electronic transmissions
  • noun:   display consisting of a device that takes signals from a computer and displays them on a CRT screen
  • noun:   an iron-clad vessel built by Federal forces to do battle with the Merrimac
  • noun:   someone who gives a warning so that a mistake can be avoided
  • noun:   someone who supervises (an examination)
  • verb:   keep tabs on; keep an eye on; keep under surveillance