screw jack

Origin of screw jack

First recorded in 1710–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for screw jack

Historical Examples of screw jack


British Dictionary definitions for screw jack

screw jack

noun
  1. a lifting device utilizing the mechanical advantage of a screw thread, the effort being applied through a bevel driveAlso called: jackscrew, jack
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012