堆垛 duīduò to stack Origin Definitions Defs Strokes Stroke Words Sentences Sents duīduò to stack · to use excessive literary ornamentation 堆 duī verb to pile up to stack, heap, or gather items together; to accumulate垛 duò to stack to pile up neatly; to stack things in an orderly wayduīduò stack 堆 duī noun pile a heap or stack of things垛 duò pile a pile or stack of items, such as straw or bricks