iron
Pluralirons (some meanings)
Pluralirons (some meanings)
- 1A hard, silvery-gray metal that rusts and is attracted by magnets, used to make steel (element Fe, atomic number 26); also this element as a dietary nutrient needed for healthy blood.
Blacksmiths shaped iron into tools and weapons for centuries.
Iron is attracted to magnets, which makes it easy to separate from other scrap.
UsageNo a for the metal (some iron); an iron usually means the appliance. Foods are rich in iron.
- 2Constructed from iron rather than another material such as wood, brass, or steel.
The bridge rested on massive iron beams.
Antique iron tools rust easily if left outdoors.
- 3A handheld appliance with a flat, heated metal base, used to press wrinkles from clothing.
He set the iron on its heel to keep it from burning the shirt.
A modern iron uses steam to smooth stubborn creases.
- 4To smooth clothes or other cloth by pressing them with a heated iron.
He irons his uniform every Sunday evening.
Could you iron these pillowcases while the water boils?
UsageOften do the ironing; iron out is a separate phrase meaning settle a problem.
Similarpress
Oppositecrease, crumple, wrinkle
Note
Thomas Hardy's Tess of the d'Urbervilles (1891) sets it in the run of washday, with a frock "wrung up and ironed".
Checked 2 Nov 2026 · 2 facts
- Thomas Hardy wrote Tess of the d'Urbervilles, first published in 1891. en.wikisource.org
- The novel's narration describes a frock as “wrung up and ironed” in a domestic laundry scene. en.wikisource.org
- 5A metal tool that is heated for a specific task, such as styling hair, soldering, or branding.
Let the iron heat up fully before you touch it to the circuit board.
The ranch hands pulled the glowing irons from the fire and branded the calves one by one.
UsageUsually named for its job: curling iron, soldering iron, branding iron. Without further context, the iron usually means the clothes iron.
Note
Many such tools are now steel or ceramic, but the old metal's name has stuck.
Checked 2 Nov 2026 · 3 facts
- Such tools can now have steel working parts. geohewitt.com
- Such tools can now have ceramic working parts. areti.jp
- The tool name survives from tools made of iron. collection.sciencemuseumgroup.org.uk
- 6A golf club with a flat, angled metal head, used for shots of medium distance.
The golfer reached for an iron rather than the driver.
A well-struck iron put the ball within ten feet of the pin.
UsageCounted freely: a set of irons, a 7-iron.
Note
Golfers name this club after its metal head. Robert Marshall's The Haunted Major (1902) sets the iron beside the brassey and the driver and says it "opened out quite a new field of practice". It is a club for the middle distance rather than the long drive.
Checked 2 Nov 2026 · 3 facts
- The golf club takes its name from its iron head. en.wikipedia.org
- Robert Marshall wrote The Haunted Major. canongate.co.uk
- An iron is conventionally associated with middle-distance shots. en.wiktionary.org
- 7Strong and unyielding, especially in will or determination; not easily bent or broken.
The general ruled with iron discipline.
Her iron determination carried the project through every setback.
UsageBefore a noun: an iron will, an iron grip, an iron constitution.
Similarinflexible, adamant
Note
Its near-synonyms adamant and adamantine rest on the same idea of a material nothing can break.
Checked 2 Nov 2026 · 2 facts
- Adamant invokes a material of exceptional hardness. en.wiktionary.org
- Adamantine invokes the same exceptionally hard material, adamant. en.wiktionary.org
Less common meanings
- 8Great strength, toughness, or hardness, invoked as a symbol of something that resists breaking or bending.
The old soldier had a constitution of iron.
She has a will of iron and never gives up on a goal.
UsageUsed in of-phrases such as a will of iron and nerves of iron.
- 9Metal restraints, such as shackles or chains, used to bind a prisoner's wrists or ankles.
The mutineers were clapped in irons and taken below deck.
Rusty leg irons still hung from the dungeon wall.
UsageMostly after in: put in irons, clapped in irons; also leg irons.
- 10A firearm of any kind, whether a handgun or a long gun such as a rifle or shotgun.
Every man in that gang was carrying iron.
She slipped the iron back into her coat before the police arrived.
UsageOften a bare noun (carrying iron); shooting iron too. In plain modern prose, gun is safer.
Note
Gun slang that film and song have kept familiar. John Huston's The Treasure of the Sierra Madre (1948) has "throw that old iron over here", and Marty Robbins's "Big Iron" (1959) puts one on a stranger's hip. It covers rifles and pistols alike, and shooting iron is the same word spelled out.
Checked 2 Nov 2026 · 4 facts
- The Treasure of the Sierra Madre is a 1948 film written and directed by John Huston. en.wikipedia.org
- The film contains the quoted words “throw that old iron over here”. en.wiktionary.org
- Marty Robbins wrote and performed Big Iron, first released on an album in 1959. en.wikipedia.org
- The song describes a stranger carrying a gun on his hip. en.wiktionary.org
- 11Weighted equipment, such as barbells and dumbbells, lifted as resistance for the purpose of building strength.
Serious athletes spend hours moving iron in the weight room.
She prefers lifting iron to running on a treadmill.
UsageMostly with no article: lift iron, pump iron. In plain instructions, weights is the ordinary word.
Similarweights
- 12A hand tool of a kind formerly forged from wrought iron and now generally made of steel.
He worked the tire iron under the edge of the tire and pried it off the rim.
The boatbuilder tapped the caulking iron with a mallet, driving cotton into the seams of the hull.
UsageMostly named with its job: tire iron, caulking iron.
- 13A meteorite made primarily of metallic iron with a small amount of nickel, rather than mostly stony material.
The collector prized a polished iron that showed crystal patterns when etched.
Most meteorites are stony, but irons are far easier to spot once they land.
Note
Meteorites are sorted by what they are made of, and an iron sits at the metal end. Stony meteorites are at the other end, with stony irons between them. Irons can be far larger and more striking than stony ones, yet they make up only a few percent of all meteorites.
Checked 2 Nov 2026 · 4 facts
- Meteorites are classified by composition into iron, stony, and intermediate stony-iron types. australian.museum
- Stony-iron meteorites contain a mixture of stony material and metal. meteorites.asu.edu
- Iron meteorites can be much larger than stony meteorites. en.wikipedia.org
- Iron meteorites constitute only a few percent of meteorites. lpi.usra.edu
- 14
- 15To furnish, cover, or strengthen something with iron, as by adding iron bands or plating.
Similarreinforce, plate, bind, shoe, strengthen
- 16To shackle, fetter, or handcuff a person with metal restraints.
By custom the marshals would iron any prisoner thought likely to flee.
The jailers ironed the condemned man and led him to the cell.
Note
A verb from the age of fetters, and easily misread today, since ironed now suggests a pressed shirt. Walter Scott's Waverley (1814) uses it of a prisoner "ironed like a malefactor" on his way to the gallows. It is built on irons as shackles. In modern writing, shackled or put in irons says the same thing without the laundry echo, so keep this verb for historical or deliberately old-fashioned prose.
Checked 30 Oct 2026 · 4 facts
- Walter Scott wrote Waverley. gutenberg.org
- Waverley was first published in 1814. walterscott.lib.ed.ac.uk
- The quoted wording occurs in Waverley, in Edward Waverley's thoughts about Fergus Mac-Ivor, a prisoner facing execution at the gallows. gutenberg.org
- The historical verb denotes putting someone in irons, meaning shackles. en.wiktionary.org
- 17A fireproof safety curtain that can be lowered between stage and auditorium to contain a fire.
During the fire inspection, the stage crew dropped the iron to check its seals.
At the old playhouse, the iron comes down during the interval.
- 18Unguided bombs that fall without any onboard guidance or steering system.
With no precision weapons on hand, the squadron relied on iron.
The wing commander ordered iron loaded for the low-altitude strike.
Note
Military slang for bombs that simply fall: no guidance, no steering, just weight released over a target.
Checked 2 Nov 2026 · 2 facts
- Iron is military slang for an unguided bomb, also called a dumb bomb. en.wiktionary.org
- These bombs lack onboard guidance and follow a ballistic trajectory. en.wikipedia.org
- 19A gay man; an offensive slang term.
A couple of louts cornered him outside the club, jeering and calling him an iron.
He flinched when his uncle spat the word, branding him an iron in front of the family.
UsageA homophobic insult. Say gay man instead.
Note
A piece of Cockney rhyming slang that hides its insult in the clipping. The full phrase is iron hoof, rhyming with poof, and only the first half is spoken, so the rhyme carries the meaning without being said. The disguise does not soften it.
Checked 2 Nov 2026 · 2 facts
- Iron is Cockney rhyming slang shortened from iron hoof, which rhymes with poof. en.wiktionary.org
- The clipping retains iron and omits the rhyming word hoof. en.wikipedia.org
Showing meanings only.
Practice
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Origin
It comes from Middle English iren, from Old English īsern, īren, and similar forms, which trace back through Proto-Germanic *īsarną to Proto-Celtic *īsarnom ("iron"), probably ultimately from a Proto-Indo-European root meaning "blood." It is related to Dutch ijzer, German Eisen, and Swedish järn.
Checked 1 Nov 2026 · 5 facts
- Iron descends from Middle English iren and Old English īsern, īren and related forms, through Proto-Germanic *īsarną. en.wiktionary.org
- Proto-Germanic *īsarną was borrowed from Proto-Celtic *īsarnom, meaning iron. en.wiktionary.org
- The proposed ultimate origin is probably a Proto-Indo-European root meaning blood. en.wiktionary.org
- Iron is related to Dutch ijzer and German Eisen. en.wiktionary.org
- Iron is related to Swedish järn through their shared Proto-Germanic ancestor. en.wiktionary.org