noun ·2 syllables ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   An enclosed gear train.
2. 2
   the shell (metal casing) in which a train of gears is sealed wordnet
3. 3
   That part of a car's transmission containing the train of gears, and to which the gear lever is connected.

Synonyms

All synonyms

acceleratorautoautomobilecogwheelcontinuously variable transmissiondifferential

Example

More examples

"Tom had to have a new gearbox fitted to his car."

Etymology

From gear + box.

Related phrases

crash gearboxsequential manual gearboxtwin-clutch gearboxgear levergear train

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.