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U bolt

noun

  1. a bar of iron bent into the shape of a U , fitted with a screw thread and nut at each end.


U bolt

noun

  1. a metal bar bent into the shape of a U and threaded at both ends to receive securing nuts: used to secure leaf springs, ring bolts, shackles, etc
“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
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Word History and Origins

Origin of U bolt1

First recorded in 1880–85

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