Senses
堆 pile
a heap or stack of things
堆 to pile up
to stack, heap, or gather items together; to accumulate
堆 [pile/heap]
classifier for heaps, piles, or crowds of people
堆 mound
(bound form) a small hill or mound; frequently used in place names
堆 large amount
(figurative) a large number of things or problems; a collection of issues