1. Keep tabs on; keep an eye on; keep under surveillance
   "we are monitoring the air quality"; "the police monitor the suspect's moves";
   - supervise, watchdog
    
2. Check, track, or observe by means of a receiver
   "The scientists monitored the radio signals from space"; "Security personnel monitored the building's surveillance cameras"

1. A screen used to display the output of a computer to the user
   "He adjusted the brightness of his monitor to reduce eye strain";
   - computer screen, computer display
    
2. Display produced by a device that takes signals and displays them on a television screen or a computer monitor
   "The patient's vital signs were constantly displayed on the monitor";
   - monitoring device
    
3. Electronic equipment that is used to check the quality or content of electronic transmissions
   "The radio station used a broadcast monitor to ensure signal quality"
    
4. A piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble
   "The heart monitor alerted the nurses to the patient's irregular heartbeat"
    
5. Someone who supervises (an examination)
   "The monitor walked up and down the aisles, ensuring no one was cheating";
   - proctor [N. Amer]
    
6. Someone who gives a warning so that a mistake can be avoided
   "The experienced monitor cautioned the new employees about potential workplace hazards";
   - admonisher, reminder
    
7. Any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles
   "The Komodo dragon is the largest species of monitor lizard";
   - monitor lizard, varan
    
8. A pupil who helps the teacher or is given special duties
   "The class monitor collected the homework assignments"

1. An ironclad vessel built by Federal forces to do battle with the Merrimac
   - USS Monitor

Derived forms: monitoring, monitored, monitors

Type of: CRT screen, defender, display, electronic equipment, guardian, lizard, observe, overlooker, protector, screen, shielder, supervisor, vessel, video display, watercraft

Part of: computer, computing device, computing machine, data processor, electronic computer, genus Varanus, information processing system, television, television system, TV, Varanus

Encyclopedia: Monitor, Or