noun mon·i·tor \ˈmä-nə-tər\

Definition of MONITOR

a :  a student appointed to assist a teacher
b :  one that warns or instructs
c :  one that monitors or is used in monitoring: as
(1) :  a cathode-ray tube used for display (as of television pictures or computer information) (2) :  a device for observing a biological condition or function
[Monitor, first ship of the type]
a :  a heavily armored warship formerly used in coastal operations having a very low freeboard and one or more revolving gun turrets
b :  a small modern warship with shallow draft for coastal bombardment
:  a raised central portion of a roof having low windows or louvers for providing light and air
mon·i·to·ri·al \ˌmä-nə-ˈtr-ē-əl\ adjective
mon·i·tor·ship \ˈmä-nə-tər-ˌship\ noun

Examples of MONITOR

  1. They watched the press conference on a video monitor in a back room.
  2. We put a baby monitor in the nursery.
  3. U.N. weapons monitors and inspectors.

Origin of MONITOR

Latin, one that warns, overseer, from monēre to warn — more at mind
First Known Use: 1546

Other Computer-Related Terms

adware, flash, kludge, phishing, recursive, router



: to watch, observe, listen to, or check (something) for a special purpose over a period of time

mon·i·toredmon·i·tor·ing \ˈmä-nə-t(ə-)riŋ\

Full Definition of MONITOR

transitive verb
:  to watch, keep track of, or check usually for a special purpose

Examples of MONITOR

  1. Nurses constantly monitored the patient's heart rate.
  2. We're in a good position to monitor and respond to customer concerns.
  3. Government agents have been monitoring the enemy's radio communications.

First Known Use of MONITOR


Related to MONITOR


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