flatiron

Noun

 * 1) A simple iron (for pressing laundry) which is heated on a stove.
 * 2) A pair of metal tongs with heated ceramic plates used for straightening hair.
 * 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)  A steeply sloping triangular landform created by the differential erosion of a steeply dipping, erosion-resistant layer of rock overlying softer strata.

Adjective

 * 1) Having a flatiron shape.
 * a flatiron building