derrick

[der-ik]
noun
1.
Machinery. a jib crane having a boom hinged near the base of the mast so as to rotate about the mast, for moving a load toward or away from the mast by raising or lowering the boom.
2.
Also called oil derrick. the towerlike framework over an oil well or the like.
3.
a boom for lifting cargo, pivoted at its inner end to a ship's mast or kingpost, and raised and supported at its outer end by topping lifts.
verb (used with object), verb (used without object)
4.
Machinery, luff.

Origin:
originally a hangman, the gallows, after the surname of a well-known Tyburn hangman, circa 1600

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
derrick (ˈdɛrɪk)
 
n
1.  a simple crane having lifting tackle slung from a boom
2.  the framework erected over an oil well to enable drill tubes to be raised and lowered
 
vb
3.  to raise or lower the jib of (a crane)
 
[C17 (in the sense: gallows): from Derrick, name of a celebrated hangman at Tyburn]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

derrick
c.1600, originally "hangman," then "a gallows," then "hoist, crane" (1727), from surname of a hangman at Tyburn gallows, London, c.1606-1608, often referred to in contemporary theater. The name represents a late borrowing from the Low Countries (cf. Du. Diederik) of O.H.G. Theodric.
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica
Encyclopedia

derrick

apparatus with a tackle rigged at the end of a beam for hoisting and lowering. Its name is derived from that of a famous early 17th-century hangman of Tyburn, Eng. In the petroleum industry, a derrick consisting of a framework or tower of wood or steel is erected over the deep drill holes of oil wells to support the tackle for boring, to raise and lower the drilling tools in the well, and to insert and remove the well casing or pipe. Similar smaller structures mounted on trucks are also called derricks. The derrick is a type of crane (q.v.).

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Derrick is spying and reading somebody's email because he doubts their honesty.
At the center, overwhelming everything else, was the derrick.
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