SWALLOWTAIL Meaning of SWALLOWTAIL in English swallowtail BrE AmE ˈswɒl əʊ teɪ ə l AmE \ ˈswɑːl oʊ- -ə- ▷ swallowtail|ed d▷ swallowtail|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012