dhow

from WordNet (r) 3.0 (2006)

dhow
    n 1: a lateen-rigged sailing vessel used by Arabs

from The Collaborative International Dictionary of English v.0.48

Dhow \Dhow\, n. [Ar. d[=a]o?]
   A coasting vessel of Arabia, East Africa, and the Indian
   Ocean. It has generally but one mast and a lateen sail. [Also
   written {dow}.]
   [1913 Webster]