smoking jacket
US /ˈsmoʊkɪŋ ˌdʒækɪt/
UK /ˈsmoʊkɪŋ ˌdʒækɪt/

1.
Raucherjacke, Smokingjacke
a man's informal jacket, typically made of velvet or silk, worn when smoking or relaxing at home
:
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He put on his velvet smoking jacket before settling down with a book.
Er zog seine samtene Raucherjacke an, bevor er sich mit einem Buch niederließ.
•
The old gentleman always wore a silk smoking jacket in the evenings.
Der alte Herr trug abends immer eine seidene Raucherjacke.