stack - definition and synonyms


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  1. 1
    [countable] a pile of things placed one on top of another
    stack of:

    a stack of unopened mail

    There were stacks of books on the floor.

     Synonyms and related words
    1. a.
      a pile of things standing or lying together

      a stack of firewood

       Synonyms and related words
    2. b.
      a pile of hay (=dry grass) or straw (=dry stems from a crop)
  2. 2

    the stacks

    [plural] the place in a library where books are stored and where members of the public usually cannot go
  3. 3
    [countable] a chimney (=a tube for letting smoke or gases escape into the air)
  4. 4
    [countable] computing a system for storing information on a computer