- a rod or link for transmitting motion and force between a rotating and a reciprocating part, as between a piston and a crankshaft.
Origin of connecting rod
First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for connecting rod
In this case the connecting-rod R is made in a circular piece.Boys' Book of Model Boats
Raymond Francis Yates
I just put a connecting-rod through my crankcase, growled the man.The Flying Reporter
Lewis E. (Lewis Edwin) Theiss
The last connection to make is between the crank and connecting-rod.Manual Training Toys for the Boy's Workshop
Harris W. Moore
And now,” dropping the connecting-rod in his pocket, “the next thing is something else.
Johnny showed him the connecting-rod made of the strange blue steel.
- a rod or bar for transmitting motion, esp one that connects a rotating part to a reciprocating part
- such a rod that connects the piston to the crankshaft in an internal-combustion engine or reciprocating pumpSee also big end, little end
- a similar rod that connects the crosshead of a steam engine to the crank
Often shortened to: con rod
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012