A boomerang is a thrown tool, typically constructed as a flat aerofoil, that is designed to spin about an axis perpendicular to the direction of its flight.

A returning boomerang is designed to circle back to the thrower.

Boomerangs have been historically used for hunting, as well as sport, and entertainment.

Read more about Boomerang:  Description, Etymology, History, Modern Use, Hunting, Design, Throwing Technique, Competitions and Records, Long Distance Boomerangs, Related Terms