screw - definition and synonyms

noun [countable] 

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  1. 1
    a thin pointed piece of metal that is used for fastening one thing to another. It has a raised twisted part on it called a thread. You push and turn it with a screwdriver instead of hitting it with a hammer like a nail

    I undid the screws to get the door off.

  2. 3
    [usually singular] impolite an act of having sex
     Synonyms and related words