Sailboat n. : A boat propelled by a sail or sails.

Example:
What type of Sailboat is best for blue water sailing?

Taxonomy
sailboat, keel, mast, boat, sails, sloop, ballast, multihulls, hull, monohull, ketch, yawl, Dinghy, cutter, Schooner, racing, wind, design.

Defination from the web:
sailboat or sailing boat is a boat propelled partly or entirely by sails. ... At present, a great number of sailboat-types may be distinguished. ... Today, the most common sailboat is the sloop which features one mast and two sails, a normal mainsail and a foresail. ...