Noun

• S: (n) proctor, monitor (someone who supervises (an examination))
• S: (n) admonisher, monitor, reminder (someone who gives a warning so that a mistake can be avoided)
• S: (n) Monitor (an ironclad vessel built by Federal forces to do battle with the Merrimac)
• instance
• S: (n) monitor, monitoring device (display produced by a device that takes signals and displays them on a television screen or a computer monitor)
• S: (n) monitor (electronic equipment that is used to check the quality or content of electronic transmissions)
• S: (n) monitor (a piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble)
• S: (n) monitor, monitor lizard, varan (any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles)
• direct hyponym / full hyponym
• member holonym
• direct hypernym / inherited hypernym / sister term
• S: (n) lizard (relatively long-bodied reptile with usually two pairs of legs and a tapering tail)

Verb

• S: (v) monitor, supervise (keep tabs on; keep an eye on; keep under surveillance) "we are monitoring the air quality"; "the police monitor the suspect's moves"
• S: (v) monitor (check, track, or observe by means of a receiver)