big end

American  

noun

Machinery.

1. the end of a connecting rod or piston rod that is attached to a crankpin.

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big end British  

noun

1. Also called (in vertical engines): bottom end.  the larger end of a connecting rod in an internal-combustion engine Compare little end

2. the bearing surface between the larger end of a connecting rod and the crankpin of the crankshaft

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Etymology

Origin of big end

First recorded in 1905–10

Example Sentences

As for Manchester United, it is a big end to the season for their boss Ruben Amorim.

From BBC

"The big thing at the minute is the decision will be made. It can go one way or the other and that will give him a clear reference point for what he is aiming for. Is it the end of the England Six Nations campaign? Or is it post-Six Nations, getting ready for a big end to the season that will help him drive his claim for the Lions if that's a possibility?"

From BBC

In a break with tradition, Sunak will not be delivering a big end of conference speech to the party faithful on Wednesday.

From BBC

Newcastle's hopes of a trophy ended when they were knocked out of the FA Cup before the international break so it feels like a big end to the season for their manager Eddie Howe, starting now.

From BBC

The drain wrench has a big end and a smaller end, with prongs on both sides, so you can slip it into different types of drains.

From Washington Post