Agency :: Agency (n.) The faculty of acting or of exerting power; the state of being in action; action; instrumentality.
Agency :: Agency (n.) The office of an agent, or factor; the relation between a principal and his agent; business of one intrusted with the concerns of another..
Agency :: Agency (n.) The place of business of am agent.
Coagency :: Coagency (n.) Agency in common; joint agency or agent.