/ahr'meuh meuhn tair"ee euhm, -men-/ , n. , pl. armamentaria /-tair"ee euh/ .
1. the aggregate of equipment, methods, and techniques available to one for carrying out one's duties: The stethescope is still an essential part of the physician's armamentarium.
2. a fruitful source of devices or materials available or used for an undertaking: The new arts center is an armamentarium for creative activity.
[ 1855-60; armamentarium armory, equiv. to armament ( a ) (see ARMAMENT) + -arium -ARIUM ]