Dhow

[Sarah]

A coasting vessel of Arabia, East Africa, and the Indian Ocean.It has generally but one mast and a lateen sail. [Also written dow.]

[Oralee]

a sailing boat with a long, thin hull (= body) and one or two masts (= posts for sails) , used mostly in eastern Arabia, eastern Africa, and southern Asia

[Dorothey Allen]

A lateen-rigged ship with one or two masts, used in the Indian Ocean.