纸堆 Traditional form: 紙堆 Pinyin (reading): zhǐduī Definitions: papers stack of paper Characters: 纸 - paper 堆 - crowd, heap, pile, mass; to pile up; measure word for things in piles or stacks Traditional characters: 紙 - paper 堆 - crowd, heap, pile, mass; to pile up; measure word for things in piles or stacks