agency
Cross references: 1. mean agen.cy \'a--j*n-se-\ n 1: the capacity, condition, or state of acting or of exerting power : OPERATION 2: a person or thing through which power is exerted or an end is achieved :: INSTRUMENTALITY 3a: the office or function of an agent 3b: the relationship between a principal and his agent 4: an establishment engaged in doing business for another 5: an administrative division (as of a government)