flatiron

plural flatirons · alternative flat iron · alternative flat-iron

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

   The evil-smelling larrikin, beer-imbued — The evil-loving brute-man homeward goes, He kicks his dirty children with his boot, Cursing their hunger, — and his poor worn wife With cold flat-irons and handled broom awaits His coming, to revile his drinking hard.

   1881 December 3, Sydney Punch, page 8, column 2

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

   Synonyms: straightener

3. especiallya quadrilateral with two parallel sides, one of which is very short, and whose non-parallel sides are longer than either parallel side.
4. geographyA steeply sloping triangular landform created by the differential erosion of a steeply dipping, erosion-resistant layer of rock overlying softer strata.
5. abbreviationellipsisEllipsis of flat iron steak.

alternative flat iron · alternative flat-iron

1. not comparableHaving a flatiron shape.

   a flatiron building

   1 more example

   The street down which Warwick had come intersected Front Street at a sharp angle in front of the old hotel, forming a sort of flatiron block at the junction, known as Liberty Point

   1900, Charles W. Chesnutt, chapter I, in The House Behind the Cedars

1. A district of Manhattan, New York City, United States.

   On a recent Thursday, Vani Hari, perhaps Public Enemy No. 1 of big food companies, sat at ABC Kitchen in the Flatiron district wearing a purple sweater with a giant pink heart and pink heart-shaped crystal earrings.

   2015 March 13, Courtney Rubin, “Taking On the Food Industry, One Blog Post at a Time”, in The New York Times, archived from the original on 20 Mar 2015