a part, as a disk, wheel, or section of a shaft, having cut teeth of such form, size, and spacing that they mesh with teeth in another part to transmit or receive force and motion.
an assembly of such parts.
one of several possible arrangements of such parts in a mechanism, as an automobile transmission, for affording different relations of torque and speed between the driving and the driven machinery, or for permitting the driven machinery to run in either direction:first gear; reverse gear.
a mechanism or group of parts performing one function or serving one purpose in a complex machine: steering gear.
implements, tools, or apparatus, especially as used for a particular occupation or activity; paraphernalia: fishing gear.
a harness, especially of horses.
Nautical.
the lines, tackles, etc., of a particular sail or spar.
the personal tools, clothing, and other possessions of a sailor.
portable items of personal property, including clothing; possessions: The campers keep all their gear in footlockers.
wearing apparel; clothing: The fashion pages of the Sunday paper are featuring the latest fall gear.
armor or arms.
verb (used with object)
to provide with or connect by gearing.
to put in or into gear.
to provide with gear; supply; equip.
to prepare, adjust, or adapt to a particular situation, person, etc., in order to bring about satisfactory results: The producers geared their output to seasonal demands.
verb (used without object)
to fit exactly, as one part of gearing into another; come into or be in gear.
adjective
Slang. great; wonderful.
Verb Phrases
gear down,
Automotive.to shift the transmission of a vehicle to a lower gear: The truck driver geared down at the top of the hill.
to reduce in scope or intensity: With less income you'll have to gear down your spending habits.
gear up,
to make or get ready for a future event or situation: Insiders say the senator is gearing up to run for governor.
to get or put on equipment or clothing for a particular purpose: The hikers geared up for the long trek down the mountain.
to arouse or excite, as with enthusiasm or expectation: The employees were geared up for a hard battle with management over working hours.
Idioms for gear
in gear,
Machinery.in the state in which gears are connected or meshed: The car is in gear.
in proper or active working order; functioning continuously without trouble: Every department in this company must be in gear at all times.
in / into high gear, in or into a state of utmost speed, activity, or efficiency: Military rearmament moved into high gear.
out of gear, Machinery. in the state in which gears are not connected or meshed: The engine is out of gear.
shift / switch gears, to change one's attitude, course of action, methods, etc., in an abrupt, dramatic, or unexpected manner: In the middle of the second act the play shifts gears from comedy to tragedy.
Origin of gear
1150–1200; Middle English gere<Old Norse gervi, gørvi; akin to Old English gearwe equipment
The videos are part of the new Outspoken project — a new media platform Log Cabin is gearing up to launch the same week as the Republican National Convention takes place.
Log Cabin’s new project seeks to duplicate success of Grenell video|Chris Johnson|August 26, 2020|Washington Blade
As with any new piece of gear, get familiar with your lights before taking them out on the road.
What You Need to Know About Bike Lights|Aaron Rickel|August 26, 2020|Outside Online
Health care professionals who don’t have the protective gear they need.
Sen. Baldwin draws on inequities in health care, wealth in convention speech|Chris Johnson|August 21, 2020|Washington Blade
Huawei widened its lead as the world’s largest manufacturer of telecommunications gear and overtook Samsung and Apple to become the world’s No.
Huawei said the U.S. couldn’t ‘crush’ it. Trump is starving it instead|claychandler|August 20, 2020|Fortune
At the start of the pandemic, more than 800 distillers quickly switched gears and jumped into action to make hand sanitizer for their local first responders and communities.
Craft distillers have lost out on more than $700 million in sales because of the pandemic|Rachel King|August 20, 2020|Fortune
Our driver glances at us in the rearview mirror and nods before dropping the faded red Toyota Hilux into first gear.
Heart of Darkness: Into Afghanistan’s Taliban Valley|Matt Trevithick, Daniel Seckman|November 15, 2014|DAILY BEAST
The fragile peace in Ukraine is being threatened by an influx of gear and armed men.
Thousands of Putin’s Troops Now in Ukraine, Analysts Say|Shane Harris|November 11, 2014|DAILY BEAST
But much of that gear went missing from the warehouse before the Kiev unit ever saw action.
Corruption Eats Away at Ukraine Military|Charles McPhedran|October 21, 2014|DAILY BEAST
A visit to your local pig farm now requires nearly as much preparation and gear as entering a CDC biocontainment zone.
Aporkalypse Now: Pig-Killing Virus Could Mean the End of Bacon|Carrie Arnold|August 20, 2014|DAILY BEAST
Corey Feldman used to show up in full Michael Jackson gear and dance in the middle of the dancefloor.
Jenny Lewis on 'The Voyager,' the End of Rilo Kiley, and High School Classmate Angelina Jolie|Marlow Stern|August 17, 2014|DAILY BEAST
There were four of the pack animals, each laden with the party's gear.
The Caves of Fear|John Blaine
No, no, the warders must bring their own gear with them; they get none here, I promise them.
Peveril of the Peak|Sir Walter Scott
Saddles and gear required many repairs—most of them had been hired, and they were not in the best condition.
Across Iceland|William Bisiker
In this locomotive the gear is the same as that of the next illustration, but it is securely boxed in a watertight iron cover.
Scientific American Supplement, No. 1157, March 5, 1898|Various
It is plain that a gear, like a lever, may change direction as well as increase or decrease power.
Practical Mechanics for Boys|J. S. Zerbe
British Dictionary definitions for gear
gear
/ (ɡɪə) /
noun
a toothed wheel that engages with another toothed wheel or with a rack in order to change the speed or direction of transmitted motion
a mechanism for transmitting motion by gears, esp for a specific purposethe steering gear of a boat
the engagement or specific ratio of a system of gearsin gear; high gear
personal equipment and accoutrements; belongings
equipment and supplies for a particular operation, sport, etcfishing gear
nauticalall equipment or appurtenances belonging to a certain vessel, sailor, etc
short for landing gear
informalup-to-date clothes and accessories, esp those bought by young people
slang
stolen goods
illegal drugs
a less common word for harness (def. 1)
in gearworking or performing effectively or properly
out of gearout of order; not functioning properly
verb
(tr)to adjust or adapt (one thing) so as to fit in or work with anotherto gear our output to current demand
(tr)to equip with or connect by gears
(intr)to be in or come into gear
(tr)to equip with harness
Derived forms of gear
gearless, adjective
Word Origin for gear
C13: from Old Norse gervi; related to Old High German garawī equipment, Old English gearwe
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.