yen /jɛn/noun 4verb 1forms 3 noun4 •the kind of money used in Japan •A coin or note worth one yen. •A strong desire, urge, or yearning.humankind's yen for knowledge •(slang) Opium. verb1 •To have a strong desire for.Yenning, groaning, longing after. — 1876 formsyenned · yenning · yens
