A multihull's a ship, vessel, craft or boat with more than one hull. Multihulls include: Proas, which have two differently shaped or sized hulls with lateral symmetry; catamarans, which have two hulls with longitudinal symmetry; and trimarans, which have a main hull in the center and symmetric stabilizing hulls on either side. These types of boats have several advantages compared to single-hull boats. The increased distance between the center of gravity and the center of buoyancy provide higher… (More on Multihull)