1. Coahuiltecan - Noun
2. Coahuiltecan - Adjective
Coahuiltecan (plural Coahuiltecans or Coahuiltecan)
A member of any of various small, autonomous bands of Native Americans who inhabited the Rio Grande valley in what is now southern Texas and northeastern Mexico.
Of or relating to these people or their languages.
(linguistics, historical) Belonging to a proposed Native American language family associated with these people.
Source: en.wiktionary.orgThese roles were recorded of the Coahuiltecan Indians in Texas, Timucuan in Florida, and Cueva in Panama. Source: Internet