A kitten will be considered a cat when it's nine months old. I once read that a cat was adolescent from about 10 to about 18 months of age... I guess that means s/he's an adult past 18 months of age.
Ethnically, Mexican Americans are a diverse population including Mexicans of Indigenous ancestry, Mexicans of European ancestry (mostly Spanish), and Mexicans of Middle Eastern stock (mainly Lebanese).
: a person born, raised, or living in Mexico. : a person whose family is from Mexico. Spanish Central: Translation of Mexican Nglish: Translation of Mexican for Spanish speakers Britannica English: Translation of Mexican for Arabic speakers Britannica.com: Encyclopedia article about Mexican.