radius arm

English

Noun

radius arm (plural radius arms)

(mechanical engineering) A radius rod.
- 1963 May, “Europe's latest high-power locomotives”, in Modern Railways, page 298:
  The axles are guided within the bogie frames by radius arms and are fitted with disc brakes; magnetic rail brakes are also provided.

References

“radius arm”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

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