noun
bun
BUHN/bʌn/
A small rounded bread roll.
A round bread bun rests on a small side plate.

Etymology
The origin of this bread word is obscure and disputed. One suggestion links it to an Old French word for a fritter that originally meant a boil or swelling.
In context
If you've ever had like the most delicious hamburger bun, it's brioche.
More examples
- She twisted her hair into a tight bun.
- The trainer called the exercise a workout for the buns.
- Warm cinnamon buns filled the kitchen with a sweet smell.
Forms
bun · buns
Similar words
- roll
- Usually a small bread, while bun also extends to similarly rounded shapes.