Diabolo /(dĭ*ăb"ō̇*lō)/

Di·ab·o·lo

Diabolo

n.
  1. An old game or sport (revived under this name) consisting in whirling on a string, fastened to two sticks, a small somewhat spool-shaped object (called the diabolo) so as to balance it on a string, toss it in the air and catch it, etc.