An artificial metal produced from iron, harder and more elastic than elemental iron; used figuratively as a symbol of hardness.

Any item made of this metal, particularly including:

Medicinal consumption of this metal; chalybeate medicine; (eventually) any iron or iron-treated water consumed as a medical treatment.

To edge, cover, or point with steel.

To harden or strengthen; to nerve or make obdurate; to fortify against.

(of mirrors) To back with steel.

Made of steel.

Similar to steel in color, strength, or the like; steely.

Of or belonging to the manufacture or trade in steel.