Laos (Noun) — A mountainous landlocked communist state in southeastern Asia; achieved independence from France in 1949.
Laos (Noun) — The Tai language of a Buddhist people living in the area of the Mekong River in Thailand and Laos.
Laos (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.