brake drum definition

  • noun:
    • A metal cylinder to which force is used by a braking apparatus in order to arrest rotation of the wheel or shaft to which the cylinder is connected.
    • A hollow metal cylinder, mounted on a wheel of an automobile, that pressure is applied when braking.
    • a hollow cast-iron cylinder connected to the wheel that forms area of the brakes

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  • Hypernym for "brake drum"
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