Rosette (noun)

A round, flat or curved ornament, typically one made of ribbon or metal, that is used for decoration, especially in the form of a repeating pattern.

Origin:

From french 'rosette'.

Examples:

1. The dress was decorated with rosettes at the hem.
2. A rosette was pinned to the lapel of his jacket.
3. The car's interior was upholstered in a fabric with a rosette pattern.
4. The winner of the competition received a rosette as a prize.
5. The cake was topped with a rosette of whipped cream.