Definition of Jackscrew

1. Noun. Screw-operated jack.

Exact synonyms: Screw Jack
Generic synonyms: Jack



Definition of Jackscrew

1. n. A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5.

Definition of Jackscrew

1. Noun. A jack (mechanical lifting device) which is operated by turning a leadscrew. ¹

¹ Source: wiktionary.com

Definition of Jackscrew

1. [n -S]

Medical Definition of Jackscrew

1. A jack in which a screw is used for lifting, or exerting pressure. See Jack. Source: Websters Dictionary (01 Mar 1998)

Jackscrew Pictures

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Lexicographical Neighbors of Jackscrew

jackrabbiting
jackrabbits
jackroll
jackrolled
jackrolling
jackrolls
jacks
jacks-of-all-trades
jacks of all trades
jacks of clubs
jacks of spades
jacks off
jacks up
jacksaw
jacksaws
jackscrew (current term)
jackscrews
jackshaft
jackshafts
jacksie
jacksies
jackslave
jacksmelt
jacksmelts
jacksmith
jacksnipe
jacksnipes
jacksonian
jacksonian epilepsy

Literary usage of Jackscrew

Below you will find example usage of this term as found in modern and/or classical literature:

1. Darkness and Daylight; Or, Lights and Shadows of New York Life: A Woman's by Helen Campbell, Thomas Wallace Knox, Thomas Byrnes (1892)
"The jackscrew is rigged so that by turning it will noiselessly force into the crack of a safe door a succession of steel wedges; first one as thin as a ..."

2. The American State Reports: Containing the Cases of General Value and by Abraham Clark Freeman (1909)
"In an action for personal injuries received by reason of an alleged defective jackscrew, a statement made by the plaintiff in answer to his physician's ..."

3. Physics of the Household by Carleton John Lynde (1914)
"The jackscrew is one of the simplest of the screw appliances, ... A jackscrew is shown in Fig. n. The weight to be raised is placed on the head of the screw ..."

4. The International Journal of Orthodontia and Oral Surgery (1919)
"The jackscrew has been and doubtless will long continue to be the one form of regulating appliance most used by dentists, for it seems almost impossible to ..."

5. A Dictionary of Architecture and Building, Biographical, Historical, and by Russell Sturgis (1901)
"(See jackscrew.) Builders' Jack. A. Sometimes, same as Jack, above. ... jackscrew. A short steel or iron screw with appliances for turning it, ..."

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