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flatiron

noun, adjective

flatiron is a noun meaning “A simple iron (for pressing laundry) which is heated on a stove” (English Wiktionary, September 2026). It is spelled F-L-A-T-I-R-O-N, and it appears about once in every 4 million words in written English (wordfreq, 2021 data). The plural of flatiron is flatirons.

What does flatiron mean?

noun

  1. 1

    A simple iron (for pressing laundry) which is heated on a stove.

  2. 2

    A pair of metal tongs with heated ceramic plates used for straightening hair.

  3. 3

    a quadrilateral with two parallel sides, one of which is very short, and whose non-parallel sides are longer than either parallel side.

  4. 4

    A steeply sloping triangular landform created by the differential erosion of a steeply dipping, erosion-resistant layer of rock overlying softer strata.

  5. 5

    Ellipsis of flat iron steak.

adjective

  1. 1

    Having a flatiron shape.

    a flatiron building

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce flatiron?

  • US

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-flatiron.wav, Wikimedia Commons (author and licence on each file's page).

Forms of flatiron

  • flatirons plural
  • flat iron
  • flat-iron

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is flatiron?

Flatiron appears about once in every 4 million words in written English, the 61,481st most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Words people confuse with flatiron

Also written: flat-iron (one word or two).

Sources: English Wiktionary (homophones, alternative spellings).

Where does flatiron come from?

From flat + iron.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).