Chalybean

1. a. Of superior quality and temper; — applied to steel.
2. a. Of or pertaining to the Chalybes, an ancient people of Pontus in Asia Minor, celebrated for working in iron and steel.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.