gearbox

noun

gear·​box ˈgir-ˌbäks 

1

: gearing sense 2

2

: transmission sense 3

Examples of gearbox in a Sentence

Recent Examples on the Web

Torque had to be reduced from 505 ft lbs to 461 ft lbs to go easy on the gearbox, but the regular 503 horses were all there, and the thrill of shifting yourself was enough to make up for a slight acceleration deficit versus the regular car. — Will Sabel Courtney, Robb Report, 30 Oct. 2026

By contrast, an electric design, with no combustion, gearbox, or oil circuits, avoids much of that energy burden. — IEEE Spectrum, 28 Oct. 2026

The engine comes mated to a 6-speed gearbox and is equipped with a slip and assist clutch. — New Atlas, 10 Oct. 2026

Constraints, enumerations and referential integrity are miserable work for a person in front of an open gearbox. — Julien Vantyghem, Forbes.com, 5 Oct. 2026

Word History

First Known Use

1887, in the meaning defined at sense 1

Rhymes for gearbox

• botox
• checkbox
• comox
• cornstalks
• cowpox
• crosswalks
• deadlocks
• detox
• feedstocks
• hemlocks
• icebox
• jukebox

Kids Definition

gearbox

noun

gear·​box ˈgi(ə)r-ˌbäks 

: transmission sense 3