Entry 3 senses · 2 variants Webster, 1913 Laotian · IPA /ˈlaʊʃən/ prop. n. prop. a. 01 prop. n. a native or inhabitant of Laos. 1. a native or inhabitant of Laos. 02 prop. a. of or pertaining to Laos; as, the Laotian Prime Minister. 1. of or pertaining to Laos; as, the Laotian Prime Minister. 2. of or pertaining to the inhabitants of Laos; as, Laotian refugees.