yen in WordNet English dictionary

1. have a desire for something or someone who is not present
   "She ached for a cigarette"; "I am pining for my lover"
   ache  yearn  yen  pine  languish 
   

1. a yearning for something or to do something
   hankering  yen 
   
2. the basic unit of money in Japan; equal to 100 sen
   yen