bolt - definition and synonyms

noun [countable] 

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  1. 1
    a metal bar that you slide across a door or window in order to lock it
  2. 2
    a type of screw without a point that is used for fastening things together and that screws into a small metal ring called a nut
    See also nut1
  3. 3
    a long wide roll of cloth

    a bolt of cloth/silk

  4. 4
    a short heavy pointed stick that you shoot from a crossbow
     Synonyms and related words