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gearbox

American  
[geer-boks] / ˈgɪərˌbɒks /
Or gear box

noun

  1. a transmission, as in an automobile.

  2. a shield or housing for gears.

gearbox British  
/ ˈɡɪəˌbɒks /

noun

  1. the metal casing within which a train of gears is sealed

  2. this metal casing and its contents, esp in a motor vehicle

"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

Etymology

Origin of gearbox

First recorded in 1885–90; gear + box 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Are any of the top three drivers in danger of a grid penalty for changing engine, gearbox etc?

From BBC

Reutemann's performance that day remains clouded in mystery - he complained of gearbox trouble, but after the race Williams could not find a single thing wrong with the car.

From BBC

Because of the torque delivery of their motors, EVs have no need for heavy, complicated six- or seven-speed gearboxes, whether automatic or manual.

From Seattle Times

But halfway around his reconnaissance lap, Leclerc came on the radio to say he was having gearbox problems.

From BBC

Leclerc’s chances of winning his home race from pole position ended when he pulled out with a gearbox problem.

From Seattle Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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