Source : WordNet®

Lao
     adj : of or relating to a member of the Buddhist people inhabiting
           the Mekong river in Laos and Thailand

Lao
     n 1: a member of a Buddhist people inhabiting the area of the
          Mekong River in Laos and Thailand and speaking the Lao
          language; related to the Thais [syn: {Laotian}]
     2: the Tai language of a Buddhist people living in the area of
        the Mekong River in Thailand and Laos