Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A jack operated by a screw.

from The Century Dictionary.

  • noun See jack, 11 .
  • noun The screw-mechanism forming part of a dental instrument called a screw-jack (which see), for regulating the teeth.

from the GNU version of the Collaborative International Dictionary of English.

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

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A jack (mechanical lifting device) which is operated by turning a leadscrew.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun screw-operated jack

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

jack +‎ screw

Examples

  • They're focusing on a piece in the tail called the jackscrew, which is suspected in the crash of Alaska Airlines Flight 261 on January 31.

    CNN Transcript Feb 13, 2000

  • In that case, a mechanism known as a jackscrew failed because of shoddy maintenance, causing the plane to become uncontrollable.

    Obama's Jet

  • There have been some reports that there may have been common problems with something called a jackscrew, some different types of bolts have been problematic.

    CNN Transcript - Special Event: NTSB Chairman Jim Hall Holds News Conference on Alaska Airlines Flight 261 Crash Investigation - February 8, 2000

  • The stabilizer is operated by a component called the jackscrew, which consists of a nut that rides up and down a screw as it turns to raise and lower the stabilizer.

    Spokesman.com: Latest stories

  • The stabilizer is operated by a component called the jackscrew, which consists of a nut that rides up and down a screw as it turns to raise and lower the stabilizer.

    Spokesman.com: Latest stories

  • Since last Thursday, some 21 planes have been found to have irregularities in the jackscrew or other parts of the tail section.

    CNN Transcript Feb 13, 2000

  • This follows the discovery earlier this week in two Alaska Airlines jets of metal strips and filings in the jackscrew assemblies, a part of the horizontal stabilizer.

    CNN Transcript Feb 12, 2000

  • LEE DICKINSON, FORMER NTSB OFFICIAL: I think the prudent thing for them to do is to examine both the gimbal nut and the jackscrew and look at both of those from both those airplanes and compare that with what we know or what the safety board will be finding from the accident aircraft.

    CNN Transcript Feb 12, 2000

  • What we're focusing on right now, as you've indicated, is the jackscrew and that's the inspection that's taking place.

    CNN Transcript Feb 13, 2000

  • GARVEY: Well, first of all, that air worthiness directive, which was issued and given a 18-month period, focused on a different part of the horizontal stabilizer, not the jackscrew.

    CNN Transcript Feb 13, 2000

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.