Pinch bar and Rod

Pinch bar noun - A lever with a pointed projection that serves as a fulcrum; used to roll heavy wheels.

Rod and pinch bar are semantically related. In some cases you can use "Rod" instead a noun phrase "Pinch bar".

Rod noun - A heavy rigid stick used as a weapon or for punishment.

Pinch bar and rod are semantically related. Sometimes you can replace phrase "Pinch bar" with "Rod", this terms are similar.