What is the meaning of Iron?

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.

A firearm, either a long gun or a handgun.

A dark shade of the color silver.

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.

Dumb bombs, those without guidance systems.

Made of the metal iron.

Strong , inflexible.

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.

accusative singular of iro

Rōmaji transcription of いろん

Source: wiktionary.org