n. [ Sp. & F. arsenal arsenal, dockyard, or It. arzanale, arsenale (cf. It. & darsena dock); all fr. Ar. dārçinā'a house of industry or fabrication; dār house + çinā'a art, industry. ] A public establishment for the storage, or for the manufacture and storage, of arms and all military equipments, whether for land or naval service. [ 1913 Webster ]