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monitor [ mo·ni·tor ]

[
US
ˈmɑːnɪtər ]
[
UK
ˈmɒnɪtə(r) ]
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Noun

1. A device used for observing, checking, or keeping a continuous record of something.

The same units are used for electronic blood pressure monitors.

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2. A person operating a monitor.

The machine monitor who has worked for the company for nearly 39 years said the news was a shock.

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3. A person who observes a process or activity to check that it is carried out fairly or correctly, especially in an official capacity.

I headed over in his direction as a monitor scolded Ty to sit down.

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4. A person who listens to and reports on foreign radio broadcasts and signals.

radio monitors reported they heard the pilot say he was heading for Paris

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5. A television receiver used in a studio to select or verify the picture being broadcast from a particular camera.

I hit record, check the monitor and wait till I see the tape roll.

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6. A screen which displays an image generated by a computer.

Is the cable from the monitor connected to the computer's video card connector?

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7. A loudspeaker used by performers on stage to hear themselves or in the studio to hear what has been recorded.

The band listens on wedge monitors, but Brown uses a Shure PSM600 ear monitor in one ear.

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8. A school pupil with disciplinary or other special duties.

he was a school monitor and a choir boy

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9. A large tropical Old World lizard with a long neck, narrow head, forked tongue, strong claws, and a short body. Monitors were formerly believed to give warning of crocodiles.

I hurried over and he pointed out an enormous monitor lizard which had just crawled out of the water to sun itself on a rock.

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10. A shallow-draught warship mounting one or two heavy guns for bombardment.

They were up against John Dahlgren's naval force of monitors and warships.

Verb

1. Observe and check the progress or quality of (something) over a period of time; keep under systematic review.

The polls were monitored by 125 observers from 33 countries.

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2. Maintain regular surveillance over.

he was a man of routine and it was easy for an enemy to monitor his movements

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3. Listen to and report on (a foreign radio broadcast or a phone conversation)

Some employers will monitor telephone conversations.

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4. Check or regulate the technical quality of (a radio transmission or television signal)

Sennheiser HD600 headphones were used to monitor the DV40 while on location.

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Origin

1. Early 16th century (in monitor (sense 3 of the noun)): from Latin, from monit- ‘warned’, from the verb monere. monitor (sense 1 of the noun) dates from the 1930s.

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