- of or relating to Mexican-Americans or their culture.
noun, plural Chi·ca·nos.
- a Mexican-American.
noun plural -nos
- an American citizen of Mexican origin
1947, from Mexican Spanish dialectal pronunciation of Mexicano “Mexican,” with loss of initial unaccented syllable [Barnhart]. Said to have been in use among Mexican-Americans from c.1911. Probably influenced by Spanish chico “boy,” also used as a nickname. The adjective in English is attested by 1967. Fem. form is Chicana.