One who admonishes; one who warns of faults, informs of duty, or gives advice and instruction by way of reproof or caution.
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.
Any large Old World lizard of the genus Varanus; esp., the Egyptian species (V. Niloticus), which is useful because it devours the eggs and young of the crocodile. It is sometimes five or six feet long.
An ironclad war vessel, very low in the water, and having one or more heavily-armored revolving turrets, carrying heavy guns.
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.
I'm the type who'd be happy not going anywhere as long as I was sure I knew exactly what was happening at the places I wasn't going to. I'm the type who'd like to sit home and watch every party that I'm invited to on a monitor in my bedroom. Andy Warhol
Agriculture looks different today - our farmers are using GPS and you can monitor your irrigation systems over the Internet. Debbie Stabenow
We're going to be able to ask our computers to monitor things for us, and when certain conditions happen, are triggered, the computers will take certain actions and inform us after the fact. Steve Jobs
Overhead will eat you alive if not constantly viewed as a parasite to be exterminated. Never mind the bleating of those you employ. Hold out until mutiny is imminent before employing even a single additional member of staff. More startups are wrecked by overstaffing than by any other cause, bar failure to monitor cash flow. Felix Dennis
You may not believe in anything called a work-life balance, but your body certainly does. You need to monitor and nurture your body. Vivek Wadhwa