Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One that admonishes, cautions, or reminds, especially with respect to matters of conduct.
  • noun A pupil who assists a teacher in routine duties.
  • noun A usually electronic device used to record, regulate, or control a process or system.
  • noun A video display or speaker used in a production studio to check audio or video quality.
  • noun Computers A device that accepts video signals from a computer and displays information on a screen; a video display.
  • noun Computers A program that observes, supervises, or controls the activities of other programs.
  • noun An articulated device holding a rotating nozzle with which a jet of water is regulated, used in mining and firefighting.
  • noun A heavily ironclad warship of the 19th century with a low, flat deck and one or more gun turrets.
  • noun A modern warship designed for coastal bombardment.
  • intransitive verb To check the quality or content of (an electronic audio or visual signal) by means of a receiver.
  • intransitive verb To check by means of an electronic receiver for significant content, such as military, political, or illegal activity.
  • intransitive verb To keep track of systematically with a view to collecting information.
  • intransitive verb To test or sample, especially on a regular or ongoing basis.
  • intransitive verb To keep close watch over; supervise.
  • intransitive verb To direct.
  • intransitive verb To act as a monitor.

from The Century Dictionary.

  • To be a monitor or adviser to; admonish.
  • noun One who warns of faults or informs of duty; an admonisher; one who gives advice and instruction by way of reproof or caution; an admonisher.
  • noun A senior pupil in a school appointed to instruct and look after a junior division or class; a pupil appointed to superintend other pupils; in some American colleges, a student appointed to keep a record of the attendance of the other students upon certain exercises, as morning prayers.
  • noun 3. A constable or officer of the law.
  • noun A backboard.
  • noun [capitalized] In herpetology, the typical genus of Monitoridæ, so called because one of the species was fabled to admonish man of the presence of the crocodile of the Nile. Also called Varanus.
  • noun A lizard of the genus Monitor or family Monitoridæ. See cut under Hydrosaurus.
  • noun A heavily armored iron-clad steam-vessel with a very low free-board, of a type invented by Ericsson, carrying on deck one or more revolving turrets, each containing one or more great guns, and designed to combine the maximum of gun-power with the minimum of exposure: so called from the name of the first vessel of the type, which was built during the American civil war, and in 1862 arrested the destructive course of the Confederate iron-clad ram Merrimac.
  • noun A raised part of a roof, usually fitted with openings for light and ventilation, as in a passenger-car or omnibus. See monitor-roof.
  • noun In hydraulics, a device consisting of a universal-jointed pipe, to which is attached a nozle throwing a powerful stream of water: used in hydraulic mining and on fire-boats. See hydraulic mining, under hydraulic.
  • noun A turret or tool-holder in a lathe. See turret, 6.
  • noun Same as catamaran, 4.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who admonishes; one who warns of faults, informs of duty, or gives advice and instruction by way of reproof or caution.
  • noun 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.
  • noun (Zoöl.) 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.
  • noun An ironclad war vessel, very low in the water, and having one or more heavily-armored revolving turrets, carrying heavy guns.
  • noun (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.
  • noun A monitor nozzle.
  • noun the raised central portion, or clearstory, of a car roof, having low windows along its sides.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Someone who watches over something; a person in charge of something or someone.
  • noun computing A device similar to a television set used as to give a graphical display of the output from a computer.
  • noun computing A program for viewing and editing, as in machine code monitor.
  • noun UK A student leader in a class.
  • noun nautical A class of relatively small armored warships designed for shore bombardment or riverine warfare rather than combat with other ships.
  • noun archaic An ironclad.
  • noun A monitor lizard.
  • verb transitive To watch over; to guard.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble
  • noun someone who supervises (an examination)
  • noun someone who gives a warning so that a mistake can be avoided
  • verb keep tabs on; keep an eye on; keep under surveillance

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin, from monēre, to warn; see men- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin monitor ("warner"), from perfect passive participle monitus ("warning"), from verb monere ("to warn, admonish, remind")

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.