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definitions

belt up

verb (adverb)

slang to become or cause to become silent; stop talking: often used in the imperative
to fasten with or by a belt, esp a seat belt

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Nearby words

  1. belt line,
  2. belt man,
  3. belt mountains,
  4. belt out,
  5. belt sander,
  6. belt-and-braces,
  7. belt-tightening,
  8. beltane,
  9. beltcourse,
  10. belted
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012