![piston rod piston rod](https://www.tekportal.net/wp-content/uploads/2018/11/piston-rod.jpg)
noun
- a rod communicating the rectilinear motion of a piston to the small end of a connecting rod or elsewhere.
noun
- the rod that connects the piston of a reciprocating steam engine to the crosshead
- a less common name for a connecting rod
noun
noun