Examples from the Web for flatiron
(Imagine the Flatiron building collapsing one sunny, rush-hour evening).
Listening again, she heard the sound of a flatiron thumping an ironing board.Mary Louise in the Country|L. Frank Baum (AKA Edith Van Dyne)
When you walk past the Flatiron Building you bet it won't fall down and crush you.The Yukon Trail|William MacLeod Raine
In the kitchen, Nancy sent her flatiron with a vicious dig across the dish-towel she was ironing.Pollyanna|Eleanor H. Porter