Having or resembling this shade of blue

A grayish shade of the color blue, like the metal steel

(music, uncountable) A method of playing slide guitar using a steel (a kind of slide). / (music, countable) Any of several types of guitar designed to be played using this method.

(slang, idiomatic) Courage, audacity.

a steel that has nickel in it

(chemistry, industrial) steel that contains approximately 6% of nickel, increasing its strength

(chiefly Southern US) A woman who exemplifies both traditional femininity and an uncommon fortitude.

plural of steel guitar

Alternative form of steel wool

A high-strength, but low-carbon, workable steel alloy with 15-25% nickel and lesser amounts of cobalt and other materials, that achieves it strength by a martensitic structure achieved by heat treatment and aging.