agency
agency (āʹjən-sē) noun
Abbr. agcy.
1. The condition of being in action; operation.
2. The means or mode of acting; instrumentality.
3. A business or service authorized to act for others: an employment agency.
4. An administrative division of a government or international body.
[Medieval Latin agentia, from Latin agēns, agent- present participle of agere, to do. See agent.]