monitor
n. countablen. a screen that shows information or images from a computer. It can also be a person or a piece of equipment that watches something to check its progress.
n. a device used for observing, checking, or keeping a continuous record of a process or quantity; also, a display screen used to provide visual output from a computer.
I need a larger monitor for my home office.
The technician checked the heart rate monitor to ensure the patient remained stable during the procedure.
While the primary monitor displays the main software interface, the secondary screen is often reserved for real-time data feeds and system diagnostics.
From Latin monitor (“warner”), from perfect passive participle monitus (“warning”), from verb monere (“to warn, admonish, remind”). Warship sense is from USS Monitor, the first ship of this type.
Commonly used in both computing and medical contexts to refer to hardware.