01 n. One who admonishes; one who warns of faults, informs of duty, or gives advice and instruction by way of reproof or caution.
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1.
One who admonishes; one who warns of faults, informs of duty, or gives advice and instruction by way of reproof or caution.“You need not be a monitor to the king.” — Bacon.
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2.
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.
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3.
Any large Old World lizard of the genus Varanus; esp., the Egyptian species (Varanus Niloticus), which is useful because it devours the eggs and young of the crocodile. It is sometimes five or six feet long.(Zool.)
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4.
An ironclad war vessel, very low in the water, and having one or more heavily-armored revolving turrets, carrying heavy guns.
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5.
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.(Mach.)
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6.
A monitor nozzle.
Phrases & compounds
Monitor top —
the raised central portion, or clearstory, of a car roof, having low windows along its sides.