| connecting rod |
a rod that links a rotating part of a machine to a reciprocating part, such as a crankshaft to a piston. |
| control rod |
a rod or bar in a nuclear reactor that contains a neutron-absorbing material, and that is lowered into or raised from the core to control the fission chain reaction. |
| divining rod |
a forked stick used by dowsers to search for underground water; dowsing rod. |
| fishing rod |
a long thin pole with a line, hook, and often a reel that is used for catching fish. |
| fuel rod |
a rod-shaped unit that contains nuclear fuel such as plutonium or uranium. |
| hot rod |
(informal) an automobile, often old, that has been radically modified, usu. for greater speed. |
| leveling rod |
a graduated rod used in surveying to measure differences in elevation between two points. |
| lightning rod |
a grounded metal rod placed high on a building to divert lightning by providing a path for it into the ground. |
| piston rod |
a rod connected to a piston that transfers its motion to another engine part. |
| tie rod |
an iron rod that acts as a structural connector in a building to counteract tensile stress. [2 definitions] |