[la.teen] adj [F (voile) latine, lit., Latin (Mediterranean) sail] (ca. 1741): being or relating to a rig used esp. on the north coast of Africa and characterized by a triangular sail extended by a long spar slung to a low mast
[2]lateen n (ca. 1775) 1 also la.teen.er : a lateen-rigged ship
2: a lateen sail