Galileus

== Latin == === Pronunciation === (Classical Latin) IPA(key): [ɡaˈlɪ.ɫe.ʊs] (modern Italianate Ecclesiastical) IPA(key): [ɡaˈliː.le.us] === Etymology 1 === From Italian Galilei + Latin -ius. ==== Pronunciation ==== (Classical Latin) IPA(key): [ɡaˈlɪ.ɫe.ʊs] (modern Italianate Ecclesiastical) IPA(key): [ɡaˈliː.le.us] ==== Proper noun ==== Galileus m sg (genitive Galileī); second declension (New Latin) a surname from Italian — famously held by: Galileo di Vincenzo Bonaiuti de' Galilei (1564–1642), Italian astronomer, physicist, and engineer. === Etymology 2 === From Italian Galileo + Latin -ius. ==== Proper noun ==== Galileus m sg (genitive Galileī); second declension (New Latin) an unknown-gender given name from Italian — famously held by: Galileo di Vincenzo Bonaiuti de' Galilei (1564–1642), Italian astronomer, physicist, and engineer. === Declension === Second-declension noun, singular only.