society > armed hostility > military equipment > armour > [adjective] > clad in or protected by armour > clad in mail (3)
Armed with mail; mail-clad; (of a vessel) ironclad. Also figurative (see also mailed fist n. at compounds).
Wearing chain mail. Also (now chiefly) figurative and in extended use: armoured, protected. Frequently with in. Cf. mailed, adj. 2.