1. In ballet, a ballet position in which the dancer stands on one leg with the other extended back and both arms stretched out, usually one forward and the other backward.
2. An intricate and often symmetrical design incorporating curves, geometric patterns, leaves, flowers, and animal shapes.
3. A piece of classical music characterized by decorative melodies, especially one written for solo piano.
4. From early 17th century via French from Italian arabesco "in the Arabian style".