Unlike a square sail rig, the spar of a lateen sail does not pivot around the mast.
From the en.wikipedia.org
The disadvantage of the lateen rig is that it is a poorer runner than a square rig.
From the en.wikipedia.org
A lateen-rigged vessel is far more maneuverable than a square-rigged vessel.
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Representations show lateen sails in the Mediterranean as early as the 2nd century AD.
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Lateen sails mounted this way were known as leg-of-mutton sails in English.
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Propelled by lateen rigging, the three-masted ships were fast and tacked into the wind.
From the time.com
The earliest archaeologically excavated lateen-rigged ship, the Yassi Ada II, dates to ca.
From the en.wikipedia.org
Likewise, lateen sail survived in the Baltic until the late 19th century.
From the en.wikipedia.org
The lateen rig was also the ancestor of the Bermuda rig, by way of the Dutch bezaan rig.
From the en.wikipedia.org
More examples
Rigged with a triangular (lateen) sail
A triangular fore-and-aft sail used especially in the Mediterranean
A 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 direction.
A triangular fore-and-aft sail set on a boom in such way that the tack is attached to the hull of the vessel and the free end of the boom lifts the sail
Rig with a triangular sail secured to a yard hoisted to a low mast.
TFD: Being, relating to, or rigged with a triangular sail hung on a long yard that is attached at an angle to the top of a short mast.