/nah"waht leuhn/ , n.
1. Nahuatl in all its dialects, often taken as a group of languages, spoken in large areas of central Mexico and El Salvador and in various small, widely dispersed areas throughout southern Mexico and Central America.
adj.
2. of or pertaining to Nahuatl or Nahuatlan.
[ 1900-05; NAHUATL + -AN ]