big end

noun

, Machinery.

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

big end

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

Word History and Origins

Origin of big end¹

First recorded in 1905–10

Example Sentences

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

Sweden also played for the big end, blanking the sixth and seventh in a 3-3 game before Canada forced it to take a single point in the eighth.

From Washington Times

Sweden also played for the big end, blanking the sixth and seventh in a 3-3 game before Canada forced it to take a single point in the eighth.

From Fox News