一堆 Traditional form: 一堆 Pinyin (reading): yīduī Definitions: pile Characters: 一 - one; a, an; alone 堆 - crowd, heap, pile, mass; to pile up; measure word for things in piles or stacks Traditional characters: 一 - one; a, an; alone 堆 - crowd, heap, pile, mass; to pile up; measure word for things in piles or stacks