[ geer-ing ]
/ ˈgɪər ɪŋ /

noun Machinery.

an assembly of parts, especially a train of gears, for transmitting and modifying motion and torque in a machine.
the act or process of equipping with gears.
the method of installation of such gears.

Nearby words

  1. gear pump,
  2. gear ratio,
  3. gear train,
  4. gear up,
  5. gearbox,
  6. gearset,
  7. gearshift,
  8. gearwheel,
  9. geb,
  10. geb.

Origin of gearing

First recorded in 1815–25; gear + -ing1

Origin of gear

1150–1200; Middle English gere < Old Norse gervi, gørvi; akin to Old English gearwe equipment

Related formsgear·less, adjectivere·gear, verbun·geared, adjectivewell-geared, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for gearing

British Dictionary definitions for gearing


/ (ˈɡɪərɪŋ) /


an assembly of gears designed to transmit motion
the act or technique of providing gears to transmit motion
Also called: capital gearing accounting, British the ratio of a company's debt capital to its equity capitalUS word: leverage


/ (ɡɪə) /



Derived Formsgearless, adjective

Word Origin for gear

C13: from Old Norse gervi; related to Old High German garawī equipment, Old English gearwe

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

Word Origin and History for gearing
Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for gearing


[ gîr ]

A wheel with teeth around its rim that mesh with the teeth of another wheel to transmit motion. Gears are used to transmit power (as in a car transmission) or change the direction of motion in a mechanism (as in a differential axle). Fixed ratios of speed in various parts of a machine is often established by the arrangement of gears.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with gearing


see high gear; slip a cog (gear).

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.