A sailboat or sailing-boat is 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 are not strictly defined and what constitutes a sailing ship, sailboat, or a smaller vessel (such as a sailboard) varies by region and culture.
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Noun 1. a small sailing vessel; usually with a single mast (synonym) sailing boat (hypernym) sailing vessel, sailing ship (hyponym) catamaran (part-meronym) centerboard, centreboard, drop keel, sliding keel