| Noun | 1. | iron - a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the bloodmetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. alpha iron - a magnetic allotrope of iron; stable below 906 degrees centigrade beta iron - an allotrope of iron that is the same as alpha iron except that it is nonmagnetic; stable between 768 and 906 degrees centigrade gamma iron - a nonmagnetic allotrope of iron that is the basis of austenite; stable between 906 and 1403 degrees centigrade delta iron - an allotrope of iron that is stable between 1403 degrees centigrade and the melting point (= 1532 degrees) cast iron - an alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting wrought iron - iron having a low carbon content that is tough and malleable and so can be forged and welded steel - an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range iron ore - an ore from which iron can be extracted pig iron - crude iron tapped from a blast furnace | |
| 2. | iron - a golf club that has a relatively narrow metal headlong iron - an iron with a long shaft and a steep face; for hitting long low shots short iron - an iron with a short shaft and pitched face; for hitting short high shots wedge - (golf) an iron with considerable loft and a broad sole | |
| 3. | iron - metal shackles; for hands or legs | |
| 4. | iron - implement used to brand live stockimplement - instrumentation (a piece of equipment or tool) used to effect an end | |
| 5. | iron - home appliance consisting of a flat metal base that is heated and used to smooth clothflatiron - an iron that was heated by placing it on a stove travel iron - a small lightweight iron that can be carried while traveling | |
| Verb | 1. | iron - press and smooth with a heated iron; "press your shirts"mangle - press with a mangle; "mangle the sheets" press - place between two surfaces and apply weight or pressure; "pressed flowers" | |
| Adj. | 1. | iron - extremely robust; "an iron constitution" | |