smoking jacket
man's jacket, usually of rich fabric and trimmed with braid, worn for smoking or lounging at home
en-GB/ˈsməʊkɪŋ ˈd͡ʒækɪt/
en-US/smɑˈkiŋ ˈd͡ʒækət/
man's jacket, usually of rich fabric and trimmed with braid, worn for smoking or lounging at home