1 [C] (plural yen) the unit of money in Japan 日元﹙日本货币单位﹚

2 the yen [sing] the value of the yen compared with the value of the money of other countries 日元汇价

3 [C, usually sing] a yen for sth/to do sth a strong desire 强烈的欲望；渴望: I've always had a yen to travel around the world. 我一直非常渴望周游世界。