dressing gown

US /ˈdres.ɪŋ ˌɡaʊn/
UK /ˈdres.ɪŋ ˌɡaʊn/
"dressing gown" picture
1.

a loose robe worn before or after dressing or bathing

:
He put on his dressing gown after getting out of bed.
She relaxed in her silk dressing gown.