noun

1. an ornament made of ribbons, threads, etc. gathered or tufted in the shape of a rose
2. any formation, arrangement, etc. resembling or suggesting a rose
3. Archit. a painted or sculptured ornament, usually circular, having petals and leaves radiating symmetrically from the center
4. Bot. a circular cluster of leaves, petals, or other organs, esp. such a cluster produced at the base of a plant as a means of overwintering

Etymology: Fr < OFr, dim. of rose, a rose < L rosa, rose