Iron (metaphor)
Iron, when used metaphorically, refers to certain traits of the metal iron. Used as an adjective and sometimes as a noun, it refers to something stern, harsh, unyielding, inflexible, rigid, sturdy, strong, robust. It is sometimes used for something technological (iron lung) or not technologically advanced (iron bomb).
Read more about Iron (metaphor): List of Iron Metaphors, Iron Gallery
Famous quotes containing the word iron:
“We are told that every American boy has the chance of being president. I tell you that these little boys in the iron cages would sell their chance any day for good square meals and a chance to play.”
—Mother Jones (1830–1930)