Show swift sailing canoe the word proa Is used to describe various kinds of vessels from the sampan or canoe to the square rigged kapal in western usa usage ge however it lc used chiefly of the s swift vlot sailing crafts whose weather side Is rounded and lee side flat from stem to stern both stem and stern are exactly similar in shape and then Is a small similarly shaped hull swung out from the side of the main hull bull on poles this acts as an outrigger and prevents the vessel areri heeling over the main hull cariles the mast rigging and an enormous triangular shaped sail |