BOUTONNIERE Meaning of BOUTONNIERE in English boutonniere BrE AmE bu ˌtɒn i ˈeə ˌbʊt ɒn ˈjeə, ˌbuːt- AmE \ ˌbuːt ə n ˈɪ ə r (*)▷ boutonniere|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012