Entry 2 senses Webster, 1913 Argentina · IPA /ˌɑɹ.d͡ʒənˈti.nə/ 01 n. a country in South America, bordering Chile and Bolivia. 1. a country in South America, bordering Chile and Bolivia. 2. type genus of the Argentinidae: argentines. Syn. the Argentine — Syn. -- genus Argentina