Iron Crown
noun
A small jewel-encrusted gold crown with which the kings and queens of Lombardy (and later Italy) were crowned; frequently in the Iron Crown of Lombardy, the Iron Crown of the Lombards.
- The Iron Crown, which is held in the cathedral church of Monza, is so called from the inner band of iron it contains, reputed to be made from a nail used in the crucifixion of Jesus..
Origin
Mid 16th century.