FLATIRON Meaning of FLATIRON in English flatiron BrE AmE ˈflæt ˌa ɪ ‿ən AmE \ ˈflæt̬ ˌaɪ‿ ə rn▷ flatiron|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012