The armoured plates on the undamaged places on bombers, cut down losses by something like 30 per cent.
French troops in armoured personnel carriers rolled through the streets of Kidal in northern Mali on Wednesday.
c.1300, "mail, defensive covering worn in combat," also "means of protection," from Old French armeure "weapons, armor" (12c.), from Latin armatura "arms, equipment," from arma "arms, gear" (see arm (n.2)). Figurative use from mid-14c.
Meaning "military equipment generally," especially siege engines, is late 14c. The word might have died with jousting if not for late 19c. transference to metal-shielded machinery beginning with U.S. Civil War ironclads (first attested in this sense in an 1855 report from the U.S. Congressional Committee on Naval Affairs).
mid-15c., from armor (n.). Related: Armored; armoring.