About

armamentarium

noun

ar·​ma·​men·​tar·​i·​um | \ ˌär-mə-ˌmen-ˈter-ē-əm  , -mən- \

plural armamentaria\ ˌär-​mə-​ˌmen-​ˈter-​ē-​ə  \

Definition of armamentarium

a collection of resources available or utilized for an undertaking or field of activity.

: the aggregate of equipment, methods, and techniques available to one for carrying out one’s duties.

: a fruitful source of devices or materials available or used for an undertaking.

Origin

Mid 17th century (in the sense ‘building in which arms and armour are kept, arsenal’): from Latin, ‘arsenal, armoury’.