Main Entry: out·rig·ger

Pronunciation: \ˈau̇t-ˌri-gər\

Function: noun

Date: 1742

1 a : a projection with a float or a shaped log at the end attached to a boat to prevent capsizing b : a spar or projecting beam run out from a ship's side to help secure the masts or from a mast to extend a rope or sail
2 : a boat equipped with an outrigger
3 : a projecting member run out from a main structure to provide additional stability or to support something; especially : a projecting frame to support the elevator or tailplanes of an airplane or the rotor of a helicopter

[outrigger illustration]