名詞 boutonniere:

1. a flower that is worn in a buttonhole

boutonniere 也作 bou.ton.nière

n.（名詞）
A flower or small bunch of flowers worn in a buttonhole.
紐孔花束：別在紐孔上的花或小花束

來(lái)源：
French boutonnière
法語(yǔ) boutonnière
from Old French [buttonhole]
源自 古法語(yǔ) [紐孔]
from bouton [button] * see bouton
源自 bouton [紐扣] *參見 bouton