from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or characterized by a blend of Mexican and southwest U.S. cultural elements: Tex-Mex music; Tex-Mex food.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Describing a type of cuisine, a mix of Texan and Mexican foods, associated with spicy chilis.
Tex(as) + Mex(ican).(American Heritage® Dictionary of the English Language, Fourth Edition)