1 a large number of papers, paper money, etc folded or rolled together （文件、钞票等）一沓，一卷，一捆: He pulled a wad of £20 notes out of his pocket. 他从口袋里掏出一沓面额20英镑的纸币。

2 a mass of soft material that is used for blocking sth or keeping sth in place （用于阻塞或固定的）一团软物: The nurse used a wad of cotton wool to stop the bleeding. 护士用棉花团替病人止血。