A tough, malleable, ductile form of iron that is forged rather than cast, suitable for welding.

A hard and brittle, but strong, alloy of iron, carbon, and silicon, formed by casting in a mould.

(not comparable) Made of cast iron. / Durable; tough; resilient. / Inflexible or without exception.

A plumber's tool for soldering lead pipes. / A tool used in making stained glass windows; a pair of groziers.

The humorous extreme sport of ironing in various outdoor places, especially those that are remote or difficult to access. Abbreviation: EI

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.

(nautical) A tool somewhat like a chisel with a groove in it, used by caulkers of ships to finish the seams after the oakum has been driven in.

(Cockney rhyming slang) A poof (a male homosexual).

A piece of metal bent into a distinctive shape, heated and used to brand livestock.

(transitive) To remove (a crease or creases) with an iron. / (transitive, figuratively) To resolve (a dispute); to solve (a problem).