*dol·lar/`dɑlə; ˈdɒlə/ n [C] 1 written sign $; the standard unit of money in the US, Australia, Canada, New Zealand etc 元，圆〔符号为 $, 美、澳、加、纽西兰等国的货币单位〕: The company has a $7 million debt. 该公司欠有 700 万元的债务。 2 a piece of paper or a coin worth this amount 一元纸币［硬币］