Trimaran
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A trimaran is a multihull boat that comprises a main hull and two smaller outrigger hulls which are attached to the main hull with lateral beams. Most modern trimarans are sailing yachts designed for
USA-17—a 90-foot-long (27 m) trimaran, type BOR90.
A traditional paraw double-outrigger sailboat (bangka) from the Philippines
An Iranun lanong, a double-outrigger warship from the Philippines used in the navies of the Sultanates of Maguindanao and Sulu from the 18th to late 19th centuries. They were also commonly used for raids and piracy.
The Balatik, a paraw, a functioning replica of a traditional Austronesian sailing trimaran from the Visayas Islands of the Philippines
Austronesian sail types
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Austronesian sail types are typically fore-and-aft with spars along one or more edges and include a triangular variant with spars on the upper and lower edges, informally called a crab claw sail. They
1846 illustration of a Fijian camakau, a single-outrigger canoe with a canted mast "crane sprit"-type crab claw sail
Hokule'a in 2009, with crab claw sails where the upper spars also function as fixed masts
Crab claw sail being constructed for Hot Buoys trimaran. Notice pocket in right hand edge of sail to hold spar. Second spar in this particular configuration is not required since a bolt-rope holds the sail's upper edge and the mast is located in the back of the sailboat. Note lack of shaping.
"Crane sprit" type crab claw rig of the Philippines with a fixed mast