butt - definition and synonyms

noun [countable] 

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/bʌt/
singularbutt
pluralbutts
  1. 1
    the part of a cigarette or cigar that is left after you have finished smoking it
    1. a.
      the end of the handle of a gun or tool

      He was hit over the head with a rifle butt.

       Synonyms and related words
       Synonyms and related words
  2. 2
    informal the part of your body that you sit on

    They ought to get off their butts and go back to work.

    See also kick1