The Collaborative International Dictionary of English v.0.48:

Steely \Steel"y\ (-[y^]), a.
   1. Made of steel; consisting of steel. "The steely point of
      Clifford's lance." --Shak.
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            Around his shop the steely sparkles flew. --Gay.
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   2. Resembling steel; hard; firm; having the color of steel.
      "His hair was steely gray." --The Century.
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            She would unarm her noble heart of that steely
            resistance against the sweet blows of love. --Sir P.
                                                  Sidney.
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   Steely iron, a compound of iron containing less than one
      half of one per cent of carbon.
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