/nah"waht l/ , n. , pl. Nahuatls , ( esp. collectively ) Nahuatl , adj.
n.
1. a member of any of various peoples of ancient origin ranging from southeastern Mexico to parts of Central America and including the Aztecs.
2. a Uto-Aztecan language spoken by over half a million people mostly in central Mexico. Cf. Aztec (def. 2).
adj.
3. of or pertaining to the Nahuatl language or peoples.
[ 1815-25; náhuatl nahuatl something that makes an agreeable sound, a second-language speaker of one's own language ]