Meaning of OUTRIGGER in English

OUTRIGGER

[out.rig.ger] n (1748) 1 a: a projecting spar with a shaped log at the end attached to a canoe to prevent upsetting 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 c: a projecting support for an oarlock; also: a boat equipped with these supports

2: a projecting member run out from a main structure to provide additional stability or to support something; esp: a projecting frame to support the elevator or tailplanes of an airplane or the rotor of a helicopter

Merriam-Webster English vocab.      Английский словарь Merriam Webster.