WordWeb Online

1. The act of observing something (and sometimes keeping a record of it)
   "the monitoring of enemy communications plays an important role in war times"

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
    
2. Check, track, or observe by means of a receiver

Derived forms: monitorings

Type of: observance, observation, observe, watching

Encyclopedia: Monitor, IN Monitor Monitor, Indiana Monitor, Oregon Monitor, Or