- 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[transitive] stack something (with something) to fill something with piles of things They were busy stacking the shelves with goods.
- 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 Idioms
stack
verbNAmE//stæk//
Verb Forms present simple I / you / we / they stack he / she / it stacks
past simple stacked
-ing form stacking
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
Check pronunciation: stack