bou·ton·nièreBrE /ˌbuːtɒnˈjeə(r)/ 🔊NAmE /ˌbuːtnˈɪr/ 🔊, /ˌbuːtənˈjer/ 🔊 (NAmE, from French) (BrE but·ton·hole) nouna flower that is worn in the buttonhole of a coat or jacket 佩戴在扣眼上的花