- (n.) Not to be broken; holding or binding fast; tenacious.
- (n.) Strength; power; firmness; inflexibility; as, to rule with a rod of iron.
- (n.) Inflexible; unrelenting; as, an iron will.
- (n.) Fetters; chains; handcuffs; manacles.
- (n.) The most common and most useful metallic element, being of almost universal occurrence, usually in the form of an oxide (as hematite, magnetite, etc.) or a hydrous oxide (as limonite, turgite, etc.). It is reduced on an enormous scale in three principal forms; viz., cast iron, steel, and wrought iron. Iron usually appears dark brown, from oxidation or impurity, but when pure or on a fresh surface, is a gray or white metal. It is easily oxidized (rusted) by moisture, and is attacked by many corrosive agents. Symbol Fe (Latin Ferrum). Atomic weight 55.9. Specific gravity, pure iron, 7.86; cast iron, 7.1. In magnetic properties, it is superior to all other substances.
- (n.) An instrument or utensil made of iron; -- chiefly in composition; as, a flatiron, a smoothing iron, etc.
- (n.) Like iron in hardness, strength, impenetrability, power of endurance, insensibility, etc.;.
- (v.t.) To shackle with irons; to fetter or handcuff.
- (v.t.) To furnish or arm with iron; as, to iron a wagon.
- (n.) Firm; robust; enduring; as, an iron constitution.
- (v.t.) To smooth with an instrument of iron; especially, to smooth, as cloth, with a heated flatiron; -- sometimes used with out.
- (n.) Rude; hard; harsh; severe.
- (n.) Of or made of iron; consisting of iron; as, an iron bar, dust.
- (n.) Resembling iron in color; as, iron blackness.
- (n.) An iron-headed club with a deep face, chiefly used in making approaches, lifting a ball over hazards, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). iron. Retrieved September 23, 2026, from http://smartdefine.org/iron/definitions/2023663 |
| Chicago | Webster's. 2011. "iron" http://smartdefine.org/iron/definitions/2023663 (accessed September 23, 2026). |
| Harvard | Webster's 2011, iron, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/iron/definitions/2023663>. |
| MLA | Webster's. "iron" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/iron/definitions/2023663> |