A sailboat or sailing boat's a boat propelled partly or entirely by sails. The term covers a variety of boats, larger than small vessels such as sailboards and smaller than sailing ships, but distinctions in size aren't strictly defined and what constitutes a sailing ship, sailboat, or a smaller vessel (such as a sailboard) varies by region and culture. Types At present, a great number of sailboat-types may be distinguished. Apart from size, sailboats may be distinguished by a hull configuratio… (More on Sailboats)