A common, inexpensive metal, silvery grey when untarnished, that rusts, is attracted by magnets, and is used in making steel: a chemical element having atomic number 26 and symbol Fe.
Any material, not a steel, predominantly made of elemental iron.
A tool or appliance made of metal, which is heated and then used to transfer heat to something else; most often a thick piece of metal fitted with a handle and having a flat, roughly triangular bottom, which is heated and used to press wrinkles from clothing, and now usually containing an electrical heating apparatus.
Shackles.
(slang) A firearm, either a long gun or a handgun.
A dark shade of the color silver.
(slang) A male homosexual.
A golf club used for middle-distance shots.
Used as a symbol of great strength or toughness, or to signify a very strong or tough material.
Weight used as resistance for the purpose of strength training.
A meteorite consisting primarily of metallic iron (mixed with a small amount of nickel), as opposed to one composed mainly of stony material.
A safety curtain in a theatre.
(slang) Dumb bombs, those without guidance systems.

To pass an iron over (clothing or some other item made of cloth) in order to remove creases.
To engage in such pressing of clothing.
To shackle with irons; to fetter or handcuff.
To furnish, clad, or arm with iron.