Wordnet 3.0
NOUN (2)
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: Lao, Laotian]
2.  the Tai language of a Buddhist people living in the area of the Mekong River in Thailand and Laos; 
ADJECTIVE (1)
1.  of or relating to a member of the Buddhist people inhabiting the Mekong river in Laos and Thailand; 
WordNet (r) 3.0 (2006):
Lao
    adj 1: of or relating to a member of the Buddhist people
           inhabiting the Mekong river in Laos and Thailand
    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: Lao, Laotian]
    2: the Tai language of a Buddhist people living in the area of
       the Mekong River in Thailand and Laos