1911 Encyclopædia Britannica/Lateen

LATEEN (the Anglicized form of Fr. latine, i.e. voile latine, Latin sail, so-called as the chief form of rig in the Mediterranean), a certain kind of triangular sail, having a long yard by which it is suspended to the mast. A “lateener” is a vessel rigged with a lateen sail and yard. This rig was formerly much used, and is still the typical sail of the felucca of the Mediterranean, and dhow of the Arabian Sea.