monitor

Definitions

1. 1.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.
2. 2.(Zoöl.) 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.
3. 3.Etym: [So called from the name given by Captain Ericson, its designer, to the first ship of the kind.] An ironclad war vessel, very low in the water, and having one or more heavily-armored revolving turrets, carrying heavy guns.
4. 4.(Mach.) 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. Monitor top, the raised central portion, or clearstory, of a car roof, having low windows along its sides.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Synonyms

Related questions

• What does "monitor" mean?
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Reverse-dictionary questions

Definition-first questions whose answer is monitor.

• What is 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 called?