stack verb
ADV. carefully, neatly | away, up The wood was collected up and carefully stacked away. Stack the chairs up over there.
PREP. against The cases were stacked against the wall. | in The paintings were stacked in a corner of the room. | on The plates were neatly stacked on the draining board. | with shelves stacked with boxes
PHRASES be stacked in piles Boxes were stacked in piles all round the room.
You can also check other dicts: stack (English, 中文解释 ), wordnet sense, Collins Definition