'Lao' definitions:

Definition of 'Lao'

(from WordNet)
adjective
Of or relating to a member of the Buddhist people inhabiting the Mekong river in Laos and Thailand
noun
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]
noun
The Tai language of a Buddhist people living in the area of the Mekong River in Thailand and Laos