from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A curved metal block that presses against and arrests the rotation of a wheel or brake drum.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An element of a drum brake into which the friction-producing brake lining is attached.

from the GNU version of the Collaborative International Dictionary of English

  • n. the part of a brake against which the wheel rubs.

from The Century Dictionary and Cyclopedia

  • n. A piece of wood or metal fitted to a brake-block, or forming one piece with it, and serving as a rubber to retard, by friction with the wheel-tread or-tire, the movement of a wheel.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a restraint provided when the brake linings are moved hydraulically against the brake drum to retard the wheel's rotation


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