Definition of "clacks" []

• Plural form of clack. (noun)

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• "An adaption of the first Moist von Lipwig novel, this book follows the attempt to reform the Ankh-Morpork post office in the face of competition from the new 'clacks' towers."
• "Going Postal's mcguffin is the "clacks," a system of mechanical semaphore towers that have been strung across the continent in a kind of primitive telegraph/Internet."
• "Aided by a schizophrenic prostitute with a dark past and hidden motives, a German hunter with his own dark secrets, and an oddly intelligent mouse - this motley band races to use a secret weapon against the gods before the thoroughly creepy John Scared can use it for his own gain or the mechanical disease known as the "clacks" turns them all into machines themselves."