'Monitor' definitions:

Definition of 'monitor'

(from WordNet)
noun
Someone who supervises (an examination) [syn: proctor, monitor]
noun
Someone who gives a warning so that a mistake can be avoided [syn: admonisher, monitor, reminder]
noun
An ironclad vessel built by Federal forces to do battle with the Merrimac
noun
Display produced by a device that takes signals and displays them on a television screen or a computer monitor [syn: monitor, monitoring device]
noun
Electronic equipment that is used to check the quality or content of electronic transmissions
noun
A piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble
noun
Any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles [syn: monitor, monitor lizard, varan]
verb
Keep tabs on; keep an eye on; keep under surveillance; "we are monitoring the air quality"; "the police monitor the suspect's moves" [syn: monitor, supervise]
verb
Check, track, or observe by means of a receiver

Definition of 'Monitor'

From: GCIDE
  • Monitor \Mon"i*tor\, n. [L., fr. monere. See Monition, and cf. Mentor.]
  • 1. One who admonishes; one who warns of faults, informs of duty, or gives advice and instruction by way of reproof or caution. [1913 Webster]
  • You need not be a monitor to the king. --Bacon. [1913 Webster]
  • 2. Hence, specifically, a pupil selected to look to the school in the absence of the instructor, to notice the absence or faults of the scholars, or to instruct a division or class. [1913 Webster]
  • 3. (Zool.) Any large Old World lizard of the genus Varanus; esp., the Egyptian species (Varanus Niloticus), which is useful because it devours the eggs and young of the crocodile. It is sometimes five or six feet long. [1913 Webster]
  • 4. [So called from the name given by Captain Ericson, its designer, to the first ship of the kind.] An ironclad war vessel, very low in the water, and having one or more heavily-armored revolving turrets, carrying heavy guns. [1913 Webster]
  • 5. (Mach.) A tool holder, as for a lathe, shaped like a low turret, and capable of being revolved on a vertical pivot so as to bring successively the several tools in holds into proper position for cutting. [1913 Webster]
  • 6. A monitor nozzle. [Webster 1913 Suppl.]
  • Monitor top, the raised central portion, or clearstory, of a car roof, having low windows along its sides. [1913 Webster]

Synonyms of 'monitor'

From: Moby Thesaurus