■ noun
1》 a person or device that ~s something.
2》 a television receiver used in a studio to view the picture being transmitted from a particular camera.
↘a screen which displays an image generated by a computer.
↘a loudspeaker used by performers on stage to hear themselves or in a studio to hear what has been recorded.
3》 a school pupil with disciplinary or other special duties.
4》 (also ~ lizard ) a large tropical lizard with a long neck and a short body, formerly believed to give warning of crocodiles. [Genus Varanus : many species.]
5》 historical a shallow-draught warship mounting one or two heavy guns for bombardment.
■ verb observe and check over a period of time.
↘maintain regular surveillance over.
↘listen to and report on (a radio broadcast or telephone conversation).
Derivatives
~ial adjective
~ship noun
Origin
C16: from L., from monit- , monere 'warn'.