1. a loose robe or dressing gown worn in bed or around the house
Usage: chiefly historical or British

Examples

• She put on her bedgown before settling in with a book for the evening.
• The Victorian lady wore a silk bedgown over her nightclothes.
• He shuffled down the hallway in his old bedgown, looking for coffee.
• The museum displayed a delicate linen bedgown from the 18th century.
• She tied the sash of her bedgown and sat by the window.