Pushrod

Noun

1. A rigid reciprocating rod that, by its movement, transmits force to actuate a mechanism. A rod in a piston engine that actuates rocker arms above the cylinder head. A rod in an internal gear hub that actuates the shifting mechanism. A rod used in the transmission of flight control inputs to an aircraft's control surfaces.
2. A rod in a piston engine that actuates rocker arms above the cylinder head.
3. A rod in an internal gear hub that actuates the shifting mechanism.
4. A rod used in the transmission of flight control inputs to an aircraft's control surfaces.