(figuratively, idiomatic) Ruthless and usually unrestricted control. / Symbol of an army's tank or cavalry branch.

Alternative spelling of flatiron

Tasks in progress; involvement in ongoing projects.

plural of branding iron

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

Alternative spelling of shooting iron

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

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.