steel

1. An artificial metal produced from iron, harder and more elastic than elemental iron; used figuratively as a symbol of hardness.
2. Any item made of this metal, particularly including:
3. Medicinal consumption of this metal; chalybeate medicine; (eventually) any iron or iron-treated water consumed as a medical treatment.
4. Varieties of this metal.
5. (colors) The gray hue of this metal; steel-gray, or steel blue.
6. Extreme hardness or resilience.

1. To edge, cover, or point with steel.
2. To harden or strengthen; to nerve or make obdurate; to fortify against.
3. (of mirrors) To back with steel.
4. To treat a liquid with steel for medicinal purposes.
5. To press with a flat iron.
6. To cause to resemble steel in appearance.
7. To steelify; to turn iron into steel.
8. To electroplate an item, particularly an engraving plate, with a layer of iron.
9. To sharpen with a honing steel.

1. Made of steel.
2. Similar to steel in color, strength, or the like; steely.
3. Of or belonging to the manufacture or trade in steel.
4. Containing steel.
5. Engraved on steel.

proper noun

Coldbath Fields Prison in London, closed in 1877.