noun
duvet
doo-VAY/ˈduːveɪ/
A soft bed covering filled with down, feathers, or synthetic fibers.
The folded corner reveals the duvet's thick filling.

Etymology
The diminutive formation originally named down, the soft feathers used as filling. The name then passed from the filling to the quilt containing it.
In context
Brother Lu Ran, sorry to make you sleep in my small bedroom tonight The sheets and duvet cover are freshly changed
More examples
- The duvet had a washable cotton cover.
- A thick duvet kept the bed warm.
- They aired the duvet by the open window.
Forms
duvet · duvets