Definition of stack verb from the Oxford Advanced Learner's Dictionary

     

    stack

     verb
    verb
    BrE BrE//stæk//
     
    ; NAmE NAmE//stæk//
     
    Verb Forms present simple I / you / we / they stack
    BrE BrE//stæk//
     
    ; NAmE NAmE//stæk//
     
    he / she / it stacks
    BrE BrE//stæks//
     
    ; NAmE NAmE//stæks//
     
    past simple stacked
    BrE BrE//stækt//
     
    ; NAmE NAmE//stækt//
     
    past participle stacked
    BrE BrE//stækt//
     
    ; NAmE NAmE//stækt//
     
    -ing form stacking
    BrE BrE//ˈstækɪŋ//
     
    ; NAmE NAmE//ˈstækɪŋ//
     
    Plane travel
     
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  1. 1[transitive, intransitive] stack (something) (up) to arrange objects neatly in a pile; to be arranged in this way to stack boxes logs stacked up against a wall Do these chairs stack? stacking chairs
  2. 2[transitive] stack something (with something) to fill something with piles of things They were busy stacking the shelves with goods.
  3. 3[intransitive, transitive] stack (something) (up) if aircraft stack (up) or are stacked (up) over an airport, there are several flying around waiting for their turn to land See related entries: Plane travel
  4. Word Origin Middle English: from Old Norse stakkr ‘haystack’, of Germanic origin.Extra examples Boxes were stacked in piles all around the room. Stack the chairs up over there. The cases were stacked against the wall. The paintings were stacked in a corner of the room. The plates were neatly stacked on the draining board. The wood was collected up and carefully stacked away. shelves stacked with boxesIdioms (informal) to fall over or off something, especially in a way that makes you look silly and makes other people laugh I tried a spin on the ice and stacked it. My heel got caught and I almost stacked it. Phrasal Verbsstack up
See the Oxford Advanced American Dictionary entry: stack