1. An ornament or a badge made of ribbon or silk that is pleated or gathered to resemble a rose and is used to decorate clothing or is worn in the buttonhole of civilian dress to indicate the possession of certain medals or honors. 2. A roselike marking or formation, such as one of the clusters of spots on a leopard's fur. 3. A painted, carved, or sculptured ornament having a circular arrangement of parts radiating out from the center and suggesting the petals of a rose. 4. A circular cluster of leaves that radiate from a center at or close to the ground, as in the dandelion. 5. An ornamental, circular band surrounding the central hole of an acoustic guitar.