A studding sail, or stun'sl (pronounced stuns'l /ˈstʌnsəl/) is an extra sail on a square rigged vessel for use in fair weather. It is set outside the...

A ringtail a sail which is set abaft (behind) a fore-and-aft sail to increase the total sail area of a sailing vessel in light winds. It may be three or...

Erpetogomphus, a genus of dragonflies known as "ringtails" Ringtail (disease), a rodent disease Ringtail (sail), an extra sail, usually set in light winds, extending...

vessels Sail components include the features that define a sail's shape and function, plus its constituent parts from which it is manufactured. A sail may...

lateen (from French latine, meaning "Latin") or latin-rig is a triangular sail set on a long yard mounted at an angle on the mast, and running in a fore-and-aft...

Sail rigs A sail is a tensile structure, which is made from fabric or other membrane materials, that uses wind power to propel sailing craft, including...

gaff-rigged fore-and-aft sail set from, and aft of, the aftmost mast. Spankers are also called driver, jigger, and pusher sail. On a schooner of four or...

Sail plans A sailing ship is a sea-going vessel that uses sails mounted on masts to harness the power of wind and propel the vessel. There is a variety...

twin-skin sail or double skin sail is a variable-camber aerodynamic structure that is fitted to a marine vessel in place of conventional sails. Wingsails...

vertically on the centre-line of a ship or boat. Its purposes include carrying sails, spars, and derricks, giving necessary height to a navigation light, look-out...

sailing vessel to carry or support its sail. These include yards, booms, and masts, which serve both to deploy sail and resist compressive and bending forces...

In sailing, a course is a type of square sail. It is the sail set on the lowest yard on a mast. The courses are given a name derived from the mast on which...

a topgallant sail (topgallant alone pronounced "t'gallant", topgallant sail pronounced "t'garns'l", is the square-rigged sail or sails immediately above...

Look up jib in Wiktionary, the free dictionary. A jib is a triangular sail that sets ahead of the foremast of a sailing vessel. Its forward corner (tack)...

A staysail ("stays'l") is a fore-and-aft rigged sail whose luff can be affixed to a stay running forward (and most often but not always downwards) from...

A spinnaker is a sail designed specifically for sailing off the wind on courses between a reach (wind at 90° to the course) to downwind (course in the...

a halyard or halliard is a line (rope) that is used to hoist a ladder, sail, flag or yard. The term "halyard" derives from the Middle English halier...

Gaff rig is a sailing rig (configuration of sails, mast and stays) in which the sail is four-cornered, fore-and-aft rigged, controlled at its peak and...

corner(s) (clews) of a sail. In nautical usage the term "sheet" is applied to a line or chain attached to the lower corners of a sail for the purpose of extension...

The crab claw sail is a fore-and-aft triangular sail with spars along upper and lower edges. The crab claw sail was first developed by the Austronesian...

A genoa sail is a type of large jib or staysail that extends past the mast and so overlaps the main sail when viewed from the side, sometimes eliminating...

rigging of a boat or ship that provides a moving attachment point for a rope, sail or yard to a fixed part of the vessel. It may take the form of anything from...

A mainsail is a sail rigged on the main mast of a sailing vessel. On a square rigged vessel, it is the lowest and largest sail on the main mast. On a fore-and-aft...

rigged sails, gaff rigged sails, gaff sails, gunter rig, lateen sails, lug sails, tanja sails, the spanker sail on a square rig and crab claw sails. Fore-and-aft...

observers of the wires on early radio masts. The rig consists of a triangular sail set aft of the mast with its mainsail raised to the top of the mast; its...

rigged sail, that greatly improves control of the angle and shape of the sail. The primary action of the boom is to keep the foot flatter when the sail angle...

running repairs with only the tools and materials on board. It originates from sail-powered boats and ships. Jury-rigging can be applied to any part of a ship;...

rotate the outboard end of the pole around the mast in order to optimize the sail's effectiveness, depending on the direction of the wind. Because a spinnaker...

A royal is a small sail flown immediately above the topgallant on square rigged sailing ships. It was originally called the "topgallant royal" and was...

hope-in-heaven, or hopesail,[citation needed] is a square sail flown immediately above a skysail (see sail-plan) on the royal masts of a square-rigged sailing...