(transitive) To edge, cover, or point with steel. / (transitive) To harden or strengthen; to nerve or make obdurate; to fortify against. / (transitive, obsolete, of mirrors) To back with steel.

(US) (money supply) the amount of cash, all bank accounts etc plus foreign currency in circulation / (music) major third

Any of a class of meroterpenoid antibiotics produced by Streptomyces

plural of preordainment