barrel - definition and synonyms

noun [countable] 

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  1. 1
    a round wooden, metal, or plastic container with a flat top and bottom, used for storing liquids
    1. a.
      the amount of liquid contained in a barrel
    2. b.
      a unit for measuring crude oil

      Prices could remain as low as $20 per barrel.

  2. 2
    the part of a gun that a bullet is fired through
     Synonyms and related words