Duvet/duːˈveɪ/ Definition 1 of 1Pro Tip 1/3Bedding Item A duvet is specifically for use on a bed, typically as a top layer. She placed the duvet on top of the bedsheet. Pro Tip 2/3Winter Comfort Duvets are particularly popular in cold weather due to their warmth. During the chilly nights, the thick duvet was essential. Pro Tip 3/3Cultural Variance In some cultures, duvets are used year-round while in others they're seasonal. In Scandinavia, duvets are used all year, adjusted for thickness.