[yen] n, pl yen [Jp en] (1875): the basic monetary unit of Japan
[2]yen n [obs. E argot yen-yen craving for opium, fr. Chin (Guangdong) yin-yahn, fr. yin opium + yahn craving] (1906): a strong desire or propensity: longing; also: urge [3]yen vi yenned ; yen.ning (1919): to have an intense desire: long, yearn