n.
a store of weapons and ammunition.
▸a military establishment where weapons and ammunition are made and stored.
Etymology
C16 (in the sense ‘a dockyard’): from Fr., or from obs. Ital. arzanale, based on Arab. dār-aṣ-ṣinā‘a, from dār ‘house’ + al- ‘(of) the’ + sinā‘a ‘art, industry’.
