noun

• (art, architecture, also attributively) An elaborate design of intertwined floral figures or complex geometrical patterns, mainly used in Islamic art and architecture.
  "It was a sort of scene which Adam had beheld almost weekly for years; he knew by heart every arabesque flourish in the framed specimen of Bartle Massey’s handwriting which hung over the schoolmaster’s head, by way of keeping a lofty ideal before the minds of his pupils; […]."
• (music) An ornate composition, especially for the piano.
• (ballet) A dance position in which the dancer stands on one leg, with the other raised backwards, and the arms outstretched.
• (by extension, attributively) Elaborate or ornate creations in general.
  "For a man who condemned worldly pleasures he ate with elegance. She loved to watch the arabesque of fingers and two forks."