\Tris*kel"i*on\, or Triskele \Tris"kele\, n. [Gr. ? three-legged. See {Tri-}; {Isosceles}.] A figure composed of three branches, usually curved, radiating from a center, as the figure composed of three human legs, with bent knees, which has long been used as a badge or symbol of Sicily and of the Isle of Man.