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ratch
 
Noun ratch has 1 sense
  1. ratchet, rachet, ratch - mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
    --1 is a kind of mechanical device
    --1 is a part of spiral ratchet screwdriver, ratchet screwdriver
    --1 has parts: pawl, detent, click, dog; ratchet wheel
ratafee ratafia ratafia biscuit ratan rataplan ratatouille ratbite fever ratbite fever bacterium ratch ratched ratcher ratchet ratchet down ratchet screwdriver ratchet wheel ratcheted ratcheting

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