noun
Refers to Western formal daytime attire for men, consisting of a morning coat, striped trousers, and a waistcoat. Rarely used in modern Japanese; more often encountered in historical or ceremonial contexts.
彼は結婚式でモーニングドレスを着用した。
He wore morning dress at the wedding.
Variant with interpunct; less common but still seen.
Loanword from English 'morning dress'.