LaoPronunciation: /laʊ/Definition of Lao noun (plural same or Laos) 1a member of an indigenous people of Laos and NE Thailand. 2 [mass noun] the language of the Lao, closely related to Thai, with about 3 million speakers. Also called Laotian. adjective relating to the Lao or their language. Origin:the name in LaoLao in other Oxford dictionaries Definition of Lao in the US English dictionary
