- any temporary support extending out from a main structure
- any of a variety of frameworks extended beyond the rail of a ship for various purposes
- a brace holding an oarlock out from the side of a boat, to give the rower more leverage
- a timber or other float rigged out from the side of certain canoes to prevent tipping; also, a canoe of this type
- a sparlike projection, for supporting the lesser airfoils of an airplane or the propellers or engines on an airship
See outrigger in American Heritage Dictionary 4
a. A projecting beam or spar run out from the side of a vessel to help in securing the masts or from a mast to be used in extending a rope or sail.
b. A long thin float attached parallel to a seagoing canoe by projecting spars as a means of preventing it from capsizing.
c. A vessel fitted with such a float or beam.
d. A support for an oarlock projecting from the side of a racing shell.
e. A racing shell fitted with such a support.
- A projecting frame extending laterally beyond the main structure of a vehicle, aircraft, or machine to stabilize the structure or support an extending part.
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