opera hat

美 [ˈɑːprə hæt]英 [ˈɒprə hæt]

opera hat

noun

a man's hat with a tall crown;usually covered with silk or with beaver fur: Synonym: dress hat high hat silk hat stovepipe top hat topper beaver

数据来源：WordNet

1

Members of Parliament making a point of order in the house of Commons wear a collapsible opera hat and nobody sniggers .

在下议院，提出程序问题的议员们戴一种折叠式的大礼帽也无人窃笑。
2

A costume drama : the traditional drama clothing , knives , guns , sword , halberd , opera hat , armor , modern and folk dance costumes , props and performances .

传统戏剧服装、刀、枪、剑、戟、戏帽、盔甲，现代及民间舞蹈服装、演出道具。