/aw'stroh ay'zhee at"ik, -shee-/ , n.
1. a family of languages spoken in SE Asia and the landsaround the Bay of Bengal and consisting principally of Vietnamese, Khmer, Mon, Khasi, Nicobarese, and the Munda languages.
adj.
2. of or pertaining to Austroasiatic.
[ 1920-25; AUSTRO- + ASIATIC ]