a place of storage or a magazine containing arms and military equipment for land or naval service.
2.
a government establishment where military equipment or munitions are manufactured.
3.
a collection or supply of weapons or munitions.
4.
a collection or supply of anything; store: He came to the meeting with an impressive arsenal of new research data.
Origin: 1500–10; (< MF) < It arzanale < Upper Italian (Venetian) arzanà dockyard < Ar dār ṣināʿah workshop (lit., house of handwork); initial d prob. taken as a form of the prep. di from
A governmental establishment for the storing, development, manufacturing, testing, or repairing of arms, ammunition, and other war materiel.
A stock of weapons.
A store or supply: an arsenal of retorts.
[Italian arsenale, from obsolete arzanale, darsena, from Arabic aṣ ṣinā'a, manufacture, industry, and dār-aṣ-ṣinā'a, place of manufacture : dār, house (from dāra, to turn, revolve; see dwr in Semitic roots) + al-, the + ṣinā'a, manufacture (from ṣana'a, to make; see ṣnʕ in Semitic roots).]
[ahr-suh-nl, ahrs-nuh
l] 