Source : Webster's Revised Unabridged Dictionary (1913)

Steel \Steel\, v. t. [imp. & p. p. {Steeled}; p. pr. & vb. n.
   {Steeling}.] [AS. stlan: cf. Icel. st[ae]la. See {Steel}, n.]
   1. To overlay, point, or edge with steel; as, to steel a
      razor; to steel an ax.

   2. To make hard or strong; hence, to make insensible or
      obdurate.

            Lies well steeled with weighty arguments. --Shak.

            O God of battles! steel my soldier's hearts. --Shak.

            Why will you fight against so sweet a passion, And
            steel your heart to such a world of charms?
                                                  --Addison.

   3. Fig.: To cause to resemble steel, as in smoothness,
      polish, or other qualities.

            These waters, steeled By breezeless air to smoothest
            polish.                               --Wordsworth.

   4. (Elec.) To cover, as an electrotype plate, with a thin
      layer of iron by electrolysis. The iron thus deposited is
      very hard, like steel.