any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying according to composition and heat treatment: generally categorized as having a high, medium, or low-carbon content.

a thing or things made of this metal.

a flat strip of this metal used for stiffening, especially in corsets; stay.

a bar of this metal that has one end formed to hold a bit for driving through rock.

steels, stocks or bonds of companies producing this metal.