gear train.

A set of meshing gears arranged to transmit and modify rotational motion.

Use it for

Words that belong together

• a reduction gear train
• a gear-train assembly

On the page

The reduction gear train occupied the compartment between motor and output shaft.

One damaged tooth interrupted the gear train’s otherwise regular sound.

Usage notes

Primary category: sci-fi. Forms: Singular gear train; plural gear trains. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.