small end

noun

noun

The end of a connecting rod in a internal combustion engine that is connected to a piston.

The connecting rods are one-piece forgings of alloy steel with a copper/lead steel-backed bearing at the large end and a phosphor-bronze bush at the small end. Oil is carried from the big end to the small end by a centrally drilled oil hole.1958 April 23, “British Railways First Main-Line Diesel-Hydraulic Locomotive”, in Railway Magazine, page 265:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.