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stack

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verb [transitive] British English pronunciation: stack /stæk/ 
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present tense
I/you/we/theystack
he/she/itstacks
present participlestacking
past tensestacked
past participlestacked
  1. 1

    stack

    or

    stack up

    to arrange things so that they are placed one on top of another

    She began stacking plates on the trolley.

    1. a.
      to fill a machine or space by putting things in it on top of each other

      He got a job stacking shelves at the supermarket.

      They went down to a small yard stacked high with rubbish.

  2. 2

    stack

    or

    stack up

    to put things so that they are standing one beside another

    She was examining the paintings stacked against the wall.

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