(historical) The dividing line between Western Europe and the Soviet controlled regions, especially during the Cold War.

An iron bar, bent at right angles at each end, used to hold masonry together / An arrangement of iron wedges inserted into a cavity to lift heavy stones; a lewis

(chiefly US, colloquial, dated) A firearm, especially a handgun.

Alternative spelling of shooting iron

plural of branding iron

Tasks in progress; involvement in ongoing projects.

A cooper's tool, consisting of a tanged iron band with folded-back wings, which hold the tanged irregularly dented blade, secured by a wooden wedge pressed between the tangs. / Iron from a croze.

(sociology) A theory proposed by Max Weber which argues that rationalization and rules trap humans in a figurative "cage" of thought.

(nautical) A metal hook, attached to the end of a line, used to hold two ships together.

A long board, often covered with fabric and having on legs that are usually collapsible, on which one can iron clothes. / (idiomatic, colloquial) A flat-chested woman.