(nautical) A large, light foresail sometimes used instead of a jib.

(nautical) Any of the sails which are used in most kinds of weather: mainsail, foresail, jib and/or mizzen. Sometimes referred to as the lowers.

plural of square sail

(nautical) A sail bent to a horizontal yard set athwartships.

(nautical) A sea anchor.

plural of drag sail

Alternative spelling of studdingsail

(nautical) A sailing vessel's course in relation to the wind direction.

(geometry) A catenary-generated curve in the form of a cross-section of a sail filled by wind.

To depart on a voyage by boat.