What does "big end" mean?

In a piston engine, the larger end (crankshaft end) of the connecting rod that connects a piston to the crankshaft.

What is a synonym for "big end"?

Common synonyms include: allotment, allowance, bit, bite, budget, chunk.

noun

noun ·Rare ·Advanced level

Noun

1
In a piston engine, the larger end (crankshaft end) of the connecting rod that connects a piston to the crankshaft.
"From the sound of that motor, I'd say yer big end's gone, mate."

"From the sound of that motor, I'd say yer big end's gone, mate."