Brake drum

noun

Definitions

Noun
  1. 1
    A hollow metal cylinder, attached to a wheel of a vehicle, to which pressure is applied when braking.

    "As it is not practicable to use the wheel tyres of resilient wheels for braking purposes, brake drums with internally expanding shoes are fitted inside the wheels."

  2. 2
    a hollow cast iron cylinder attached to the wheel that forms part of the brakes wordnet

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