Definition: Chontalan is a term used in the context of linguistics and its various sub-disciplines. It refers to the concept of linguistic systems that are based on a single language, but can have multiple languages as second or third languages. These systems are often characterized by their unique phonological, grammatical, syntactic, and lexical characteristics. In linguistics, chontalan systems are typically divided into two main categories: monolingual (single) chontalans and multilingual (