# connecting rod

idiom

Source: https://englishreference.com/idiom/connecting-rod
Updated: 2026-08-10

## Meaning

A rod, inside a reciprocating engine, that connects a piston to the crankshaft.

## Examples

- The mechanic replaced the broken connecting rod in the engine.
- After the engine started making a loud knocking sound, the technician discovered that a connecting rod had failed.
- During the engine overhaul, the engineer carefully inspected each connecting rod for signs of metal fatigue to ensure the machine would operate reliably under high pressure.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.