Definition of steel-gray:
(n) :
(countable, uncountable) An artificial metal produced from iron, harder and more elastic than elemental iron; used figuratively as a symbol of hardness.
(n) :
(countable) Any item made of this metal, particularly including:
(n) :
Bladed or pointed weapons, as swords, javelins, daggers.
(n) :
A piece used for striking sparks from flint.
(n) :
Armor.
(n) :
A honing steel, a tool used to sharpen or hone metal blades.