"steels" in the noun sense
an alloy of iron with small amounts of carbon widely used in construction mechanical properties can be varied over a wide range
2. sword, blade, brand, steel
a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard
knife sharpener consisting of a ridged steel rod
"steels" in the verb sense
1. steel, nerve
get ready for something difficult or unpleasant
cover, plate, or edge with steel
Source: WordNet® (An amazing lexical database of English)
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