noun
(a) action of causing something to happen; the disease develops through the agency of certain bacteria present in the bloodstream
(b) office, organization which provides nurses for temporary work in hospitals, clinics, in private houses
QUOTE:the cost of employing agency nurses should be no higher than the equivalent full-time staff Nursing Times
QUOTE:growing numbers of nurses are choosing agency careers, which pay more and provide more flexible schedules than hospitals American Journal of Nursing